Horsethief Reservoir

Flows into the Horsethief Creek

  • Recommended Fishing Water
  • Family Fishing Water

Horsethief Reservoir in Valley County is 258.5 acres.

Interactive Map
 Download KMZ

This reservoir has everything for a memorable fishing weekend - a beautiful lake in the trees, good fishing and camping. Camping is managed by the Treasure Valley YMCA. The YMCA manages a website related to camping at Horsethief Reservoir - to find updates and information related to camping, please visit: www.horsethiefcampground.com

 

Facilities

Motor Restriction
No
Boat Ramp
Yes
Dock
Yes
Toilet
Handicap Accessible
Campground
Yes
ADA Access
Handicap Accessible

Directions

From State Hwy 55 north of Cascade, turn east on the Warm Lake Highway. In 6 miles turn south on Horsethief Reservoir Rd and go 3 miles to the reservoir.

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
2024/09/18 Rainbow Trout - Triploid 7,496 Catchable (12-14 inches)
2024/06/20 Rainbow Trout - Triploid 7,557 Catchable (12-14 inches)
2024/06/18 Brown Trout 14,400 Fingerling (3-6 inches)
2024/06/13 Kokanee 8,481 Fry (0-3 inches)
2024/05/29 Rainbow Trout - Triploid 6,400 Catchable (12-14 inches)
2024/05/29 Rainbow Trout - Triploid 9,815 Fingerling (3-6 inches)
2024/05/28 Rainbow Trout - Triploid 5,120 Catchable (12-14 inches)
2024/04/25 Rainbow Trout - Triploid 3,560 Catchable (12-14 inches)
2023/09/25 Rainbow Trout - Triploid 7,508 Catchable (12-14 inches)
2023/06/27 Brown Trout 10,088 Fingerling (3-6 inches)
2023/06/27 Rainbow Trout - Triploid 7,511 Catchable (6+ inches)
2023/06/15 Kokanee 10,000 Fry (0-3 inches)
2023/06/01 Rainbow Trout - Triploid 8,000 Catchable (12-14 inches)
2023/05/12 Rainbow Trout - Triploid 3,500 Catchable (12-14 inches)
2023/05/12 Rainbow Trout - Triploid 10,330 Fingerling (3-6 inches)
2023/05/11 Rainbow Trout - Triploid 3,529 Catchable (12-14 inches)
2022/10/05 Rainbow Trout - Triploid 7,500 Catchable (12-14 inches)
2022/07/14 Rainbow Trout - Triploid 7,500 Catchable (12-14 inches)
2022/06/16 Kokanee 10,027 Fry (0-3 inches)
2022/06/16 Kokanee - Triploid 35,340 Fry (0-3 inches)
2022/06/10 Brown Trout 9,998 Fingerling (3-6 inches)
2022/06/10 Rainbow Trout - Triploid 10,121 Fingerling (3-6 inches)
2022/05/31 Rainbow Trout - Triploid 8,006 Catchable (12-14 inches)
2022/05/13 Rainbow Trout - Triploid 6,856 Catchable (12-14 inches)
2022/05/13 Rainbow Trout - Triploid 150 Catchable (6+ inches)
2021/09/28 Rainbow Trout - Triploid 3,780 Catchable (12-14 inches)
2021/09/23 Rainbow Trout - Triploid 3,780 Catchable (12-14 inches)
2021/06/17 Kokanee 9,540 Fry (0-3 inches)
2021/06/17 Rainbow Trout - Triploid 7,378 Catchable (12-14 inches)
2021/05/27 Rainbow Trout - Triploid 3,060 Catchable (12-14 inches)
2021/05/26 Brown Trout 10,143 Fingerling (3-6 inches)
2021/05/26 Rainbow Trout - Triploid 10,036 Fingerling (3-6 inches)
2021/05/21 Rainbow Trout - Triploid 4,698 Catchable (12-14 inches)
2021/05/20 Rainbow Trout - Triploid 3,306 Catchable (12-14 inches)
2021/05/19 Rainbow Trout - Triploid 4,002 Catchable (12-14 inches)
2020/10/01 Rainbow Trout - Triploid 7,473 Catchable (12-14 inches)
2020/09/15 Rainbow Trout - Triploid 1,398 Catchable (6+ inches)
2020/06/18 Kokanee - Triploid 3,091 Fry (0-3 inches)
2020/06/03 Rainbow Trout - Triploid 8,316 Catchable (12-14 inches)
2020/05/27 Brown Trout 12,079 Fingerling (3-6 inches)
2020/05/27 Rainbow Trout - Triploid 13,832 Fingerling (3-6 inches)
2020/05/18 Rainbow Trout - Triploid 9,217 Catchable (12-14 inches)
2020/05/14 Cobow - Coho Salmon x Rainbow Trout 5,582 Catchable (6+ inches)
2020/05/14 Rainbow Trout - Triploid 2,804 Catchable (6+ inches)
2019/09/17 Rainbow Trout - Triploid 8,550 Catchable (12-14 inches)
2019/06/20 Kokanee 2,993 Fry (0-3 inches)
2019/06/13 Brown Trout 13,028 Fingerling (3-6 inches)
2019/06/13 Rainbow Trout - Triploid 9,905 Fingerling (3-6 inches)
2019/06/05 Rainbow Trout - Triploid 12,544 Catchable (6+ inches)
2019/05/17 Rainbow Trout 9,792 Catchable (12-14 inches)
2019/05/16 Rainbow Trout 5,061 Catchable (12-14 inches)
2019/05/16 Rainbow Trout - Triploid 150 Catchable (12-14 inches)
2018/09/21 Rainbow Trout - Triploid 961 Catchable (12-14 inches)
2018/09/20 Rainbow Trout - Triploid 3,146 Catchable (12-14 inches)
2018/09/20 Rainbow Trout - Triploid 16,223 Catchable (6+ inches)
2018/06/07 Brown Trout 10,178 Fingerling (3-6 inches)
2018/06/07 Rainbow Trout - Triploid 10,582 Fingerling (3-6 inches)
2018/06/06 Kokanee 3,000 Fry (0-3 inches)
2018/06/06 Rainbow Trout - Triploid 5,001 Catchable (12-14 inches)
2018/05/22 Rainbow Trout - Triploid 4,238 Catchable (12-14 inches)
2018/05/17 Rainbow Trout - Triploid 3,966 Catchable (12-14 inches)
2018/05/16 Rainbow Trout - Triploid 3,397 Catchable (12-14 inches)
2018/05/16 Rainbow Trout - Triploid 400 Catchable (6+ inches)
2017/09/19 Rainbow Trout - Triploid 3,017 Catchable (6+ inches)
2017/09/07 Rainbow Trout - Triploid 6,566 Catchable (6+ inches)
2017/06/20 Brown Trout 10,656 Fingerling (3-6 inches)
2017/06/20 Rainbow Trout - Triploid 9,981 Fry (0-3 inches)
2017/06/16 Kokanee 3,000 Fry (0-3 inches)
2017/06/06 Rainbow Trout - Triploid 3,045 Catchable (6+ inches)
2017/05/23 Rainbow Trout - Triploid 4,006 Catchable (6+ inches)
2017/05/22 Rainbow Trout - Triploid 8,504 Catchable (6+ inches)
2016/11/02 Rainbow Trout 600 Adults
2016/09/22 Rainbow Trout - Triploid 4,218 Catchable (6+ inches)
2016/06/30 Rainbow Trout - Triploid 10,899 Catchable (6+ inches)
2016/06/10 Kokanee 5,085 Fry (0-3 inches)
2016/06/09 Brown Trout 30,564 Fingerling (3-6 inches)
2016/06/09 Rainbow Trout - Triploid 9,359 Fingerling (3-6 inches)
2016/06/08 Rainbow Trout - Triploid 2,560 Catchable (6+ inches)
2016/05/26 Rainbow Trout - Triploid 3,180 Catchable (6+ inches)
2016/05/25 Rainbow Trout - Triploid 5,724 Catchable (6+ inches)
2016/05/04 Rainbow Trout - Triploid 6,080 Catchable (6+ inches)
2015/06/11 Rainbow Trout 3,000 Catchable (6+ inches)
2015/05/20 Rainbow Trout 11,988 Catchable (6+ inches)
2014/09/24 Rainbow Trout - Triploid 3,430 Catchable (6+ inches)
2014/09/23 Rainbow Trout - Triploid 6,400 Catchable (6+ inches)
2014/06/11 Rainbow Trout - Triploid 10,014 Fingerling (3-6 inches)
2014/06/04 Brown Trout 10,010 Fingerling (3-6 inches)
2014/06/04 Rainbow Trout 4,992 Catchable (6+ inches)
2014/05/16 Rainbow Trout 19,380 Catchable (6+ inches)
2014/05/16 Rainbow Trout - Triploid 900 Catchable (6+ inches)
2013/10/02 Rainbow Trout - Triploid 5,350 Catchable (6+ inches)
2013/09/20 Rainbow Trout - Triploid 5,250 Catchable (6+ inches)
2013/09/19 Rainbow Trout - Triploid 3,650 Catchable (6+ inches)
2013/08/28 Rainbow Trout - Triploid 18,150 Catchable (6+ inches)
2013/06/26 Brown Trout 10,038 Fingerling (3-6 inches)
2013/06/26 Rainbow Trout - Triploid 2,056 Catchable (6+ inches)
2013/06/20 Rainbow Trout - Triploid 7,204 Catchable (6+ inches)
2013/05/23 Rainbow Trout - Triploid 8,910 Catchable (6+ inches)
2013/05/16 Rainbow Trout - Triploid 7,088 Catchable (6+ inches)
2012/10/11 Rainbow Trout - Triploid 8,379 Catchable (6+ inches)
2012/06/26 Brown Trout 9,782 Fingerling (3-6 inches)
2012/06/11 Rainbow Trout - Triploid 6,040 Catchable (6+ inches)
2012/05/23 Rainbow Trout - Triploid 11,100 Catchable (6+ inches)
2012/05/23 Rainbow Trout - Triploid 9,982 Fingerling (3-6 inches)
2012/05/22 Rainbow Trout - Triploid 9,888 Catchable (6+ inches)
2011/09/22 Rainbow Trout - Triploid 12,100 Catchable (6+ inches)
2011/09/19 Rainbow Trout - Triploid 5,040 Catchable (6+ inches)
2011/06/08 Rainbow Trout - Triploid 12,400 Catchable (6+ inches)
2011/06/08 Rainbow Trout - Triploid 13,000 Fingerling (3-6 inches)
2011/06/01 Brown Trout 24,450 Fingerling (3-6 inches)
2011/05/19 Rainbow Trout - Triploid 1,198 Catchable (6+ inches)
2011/05/17 Rainbow Trout - Triploid 15,370 Catchable (6+ inches)
2010/09/16 Rainbow Trout - Triploid 5,500 Catchable (6+ inches)
2010/06/30 Rainbow Trout - Triploid 13,110 Catchable (6+ inches)
2010/06/30 Rainbow Trout - Triploid 11,060 Fingerling (3-6 inches)
2010/05/24 Rainbow Trout - Triploid 11,825 Catchable (6+ inches)
2010/05/20 Brown Trout 10,184 Fingerling (3-6 inches)
2009/09/09 Rainbow Trout - Triploid 5,060 Catchable (6+ inches)
2009/06/09 Rainbow Trout - Triploid 5,152 Catchable (6+ inches)
2009/06/09 Rainbow Trout - Triploid 10,680 Fingerling (3-6 inches)
2009/05/19 Brown Trout 10,140 Fingerling (3-6 inches)
2009/05/18 Rainbow Trout - Triploid 21,420 Catchable (6+ inches)
2008/10/06 Rainbow Trout - Triploid 4,950 Catchable (6+ inches)
2008/06/04 Rainbow Trout - Triploid 10,564 Catchable (6+ inches)
2008/05/28 Brown Trout 10,170 Fingerling (3-6 inches)
2008/05/19 Rainbow Trout - Triploid 6,718 Catchable (6+ inches)
2008/05/19 Rainbow Trout - Triploid 25,800 Fingerling (3-6 inches)
2008/05/14 Rainbow Trout - Triploid 13,435 Catchable (6+ inches)
2007/09/13 Brown Trout 10,004 Fingerling (3-6 inches)
2007/09/13 Rainbow Trout - Triploid 5,170 Catchable (6+ inches)
2007/06/12 Rainbow Trout - Triploid 5,100 Catchable (6+ inches)
2007/06/12 Rainbow Trout - Triploid 10,650 Fingerling (3-6 inches)
2007/05/09 Rainbow Trout - Triploid 19,840 Catchable (6+ inches)
2007/05/07 Brown Trout 4,108 Catchable (6+ inches)
2006/06/20 Rainbow Trout - Triploid 15,200 Catchable (6+ inches)
2006/05/24 Rainbow Trout - Triploid 20,300 Catchable (6+ inches)
2005/09/21 Brown Trout 6,935 Catchable (6+ inches)
2005/09/21 Rainbow Trout - Triploid 4,550 Catchable (6+ inches)
2005/06/14 Rainbow Trout - Triploid 2,600 Catchable (6+ inches)
2005/06/14 Rainbow Trout - Triploid 10,080 Fingerling (3-6 inches)
2005/05/16 Rainbow Trout - Triploid 22,750 Catchable (6+ inches)
2004/09/16 Rainbow Trout - Triploid 4,800 Catchable (6+ inches)
2004/06/08 Rainbow Trout - Triploid 8,960 Catchable (6+ inches)
2004/06/08 Rainbow Trout - Triploid 10,010 Fingerling (3-6 inches)
2004/05/03 Rainbow Trout - Triploid 16,100 Catchable (6+ inches)
2003/09/11 Rainbow Trout - Triploid 17,010 Catchable (6+ inches)
2003/05/21 Rainbow Trout - Triploid 19,200 Catchable (6+ inches)
2003/05/21 Rainbow Trout - Triploid 5,332 Fingerling (3-6 inches)
2003/03/21 Rainbow Trout - Triploid 5,334 Fingerling (3-6 inches)
2002/09/18 Rainbow Trout - Triploid 5,000 Catchable (6+ inches)
2002/06/24 Rainbow Trout - Triploid 6,820 Catchable (6+ inches)
2002/06/24 Rainbow Trout - Triploid 10,150 Fingerling (3-6 inches)
2002/05/22 Rainbow Trout - Triploid 18,200 Catchable (6+ inches)
2001/09/20 Cutbow - Cutthroat x Rainbow Trout 10,000 Fingerling (3-6 inches)
2001/09/20 Cutbow - Cutthroat x Rainbow Trout - Diploid 10,000 Fingerling (3-6 inches)
2001/09/13 Rainbow Trout 22,562 Catchable (6+ inches)
2001/06/26 Rainbow Trout - Triploid 5,850 Fingerling (3-6 inches)
2001/06/04 Rainbow Trout - Triploid 7,200 Catchable (6+ inches)
2001/06/04 Rainbow Trout - Triploid 8,492 Fingerling (3-6 inches)
2001/05/09 Rainbow Trout - Triploid 10,140 Catchable (6+ inches)
2000/09/27 Cutbow - Cutthroat x Rainbow Trout 10,080 Fry (0-3 inches)
2000/09/27 Cutbow - Cutthroat x Rainbow Trout - Diploid 10,080 Fry (0-3 inches)
2000/09/20 Rainbow Trout - Triploid 5,670 Catchable (6+ inches)
2000/07/26 Brown Trout 14,860 Catchable (6+ inches)
2000/05/23 Rainbow Trout 198 Catchable (6+ inches)
2000/05/23 Rainbow Trout - Triploid 450 Catchable (6+ inches)
2000/05/17 Rainbow Trout 14,850 Fingerling (3-6 inches)
2000/05/17 Rainbow Trout - Triploid 4,800 Catchable (6+ inches)
2000/05/16 Rainbow Trout - Triploid 9,900 Catchable (6+ inches)
2000/05/12 Rainbow Trout - Triploid 8,960 Catchable (6+ inches)
2000/04/28 Rainbow Trout - Triploid 2,100 Catchable (6+ inches)
1999/08/31 Rainbow Trout 5,070 Catchable (6+ inches)
1999/06/28 Rainbow Trout 10,038 Catchable (6+ inches)
1999/05/27 Rainbow Trout 9,945 Catchable (6+ inches)
1998/09/16 Rainbow Trout 8,000 Catchable (6+ inches)
1998/09/03 Cutbow - Cutthroat x Rainbow Trout 10,000 Fingerling (3-6 inches)
1998/09/03 Cutbow - Cutthroat x Rainbow Trout - Diploid 10,000 Fingerling (3-6 inches)
1998/06/22 Rainbow Trout 9,900 Catchable (6+ inches)
1998/05/15 Brown Trout 5,080 Adults
1998/05/14 Rainbow Trout 16,275 Fingerling (3-6 inches)
1998/05/05 Rainbow Trout 10,040 Catchable (6+ inches)
1997/09/15 Rainbow Trout 5,250 Catchable (6+ inches)
1997/09/04 Cutbow - Cutthroat x Rainbow Trout 10,500 Fry (0-3 inches)
1997/09/04 Cutbow - Cutthroat x Rainbow Trout - Diploid 10,500 Fry (0-3 inches)
1997/05/22 Brown Trout 8,190 Fingerling (3-6 inches)
1997/05/22 Rainbow Trout 33,330 Fingerling (3-6 inches)
1997/05/16 Brown Trout 1,640 Catchable (6+ inches)
1997/05/15 Brown Trout 3,362 Catchable (6+ inches)
1997/05/05 Rainbow Trout 19,600 Catchable (6+ inches)
1996/09/27 Cutbow - Cutthroat x Rainbow Trout 10,000 Fry (0-3 inches)
1996/09/27 Cutbow - Cutthroat x Rainbow Trout - Diploid 10,000 Fry (0-3 inches)
1996/09/27 Rainbow Trout 10,400 Fry (0-3 inches)
1996/09/19 Henrys Lake Cutthroat Trout 10,000 Fry (0-3 inches)
1996/07/15 Rainbow Trout 10,000 Fry (0-3 inches)
1996/07/11 Rainbow Trout 2,800 Catchable (6+ inches)
1996/07/11 Rainbow Trout 12,080 Fingerling (3-6 inches)
1996/06/28 Rainbow Trout 7,260 Catchable (6+ inches)
1996/05/31 Rainbow Trout 16,500 Catchable (6+ inches)
1996/05/23 Rainbow Trout 3,600 Catchable (6+ inches)
1996/05/17 Brown Trout 5,000 Catchable (6+ inches)
1996/05/15 Rainbow Trout 25,260 Fingerling (3-6 inches)
1995/05/24 Rainbow Trout 10,000 Catchable (6+ inches)
1994/10/13 Rainbow Trout 250 Adults
1994/10/13 Rainbow Trout 5,000 Catchable (6+ inches)
1994/09/26 Cutbow - Cutthroat x Rainbow Trout 22,000 Fingerling (3-6 inches)
1994/09/26 Cutbow - Cutthroat x Rainbow Trout - Diploid 22,000 Fingerling (3-6 inches)
1994/05/25 Brown Trout 6,703 Fingerling (3-6 inches)
1994/05/25 Rainbow Trout 31,163 Fingerling (3-6 inches)
1994/05/12 Rainbow Trout 10,143 Catchable (6+ inches)
1993/09/22 Splake 10,000 Fingerling (3-6 inches)
1993/09/16 Cutbow - Cutthroat x Rainbow Trout 25,200 Fingerling (3-6 inches)
1993/09/16 Cutbow - Cutthroat x Rainbow Trout - Diploid 25,200 Fingerling (3-6 inches)
1993/06/15 Brown Trout 5,100 Fingerling (3-6 inches)
1993/06/01 Rainbow Trout 44,544 Fingerling (3-6 inches)
1993/05/24 Rainbow Trout 10,200 Fingerling (3-6 inches)
1992/09/10 Cutbow - Cutthroat x Rainbow Trout 25,000 Fingerling (3-6 inches)
1992/09/10 Cutbow - Cutthroat x Rainbow Trout - Diploid 25,000 Fingerling (3-6 inches)
1992/08/25 Brown Trout 5,000 Fingerling (3-6 inches)
1992/05/26 Rainbow Trout 300 Catchable (6+ inches)
1992/05/15 Rainbow Trout 10,000 Catchable (6+ inches)
1992/05/07 Rainbow Trout 54,660 Fingerling (3-6 inches)
1991/09/25 Cutbow - Cutthroat x Rainbow Trout 25,200 Fingerling (3-6 inches)
1991/09/25 Cutbow - Cutthroat x Rainbow Trout - Diploid 25,200 Fingerling (3-6 inches)
1991/09/09 Rainbow Trout 900 Catchable (6+ inches)
1991/07/24 Rainbow Trout 550 Adults
1991/06/18 Brown Trout 5,175 Fingerling (3-6 inches)
1991/05/29 Rainbow Trout 50,000 Fingerling (3-6 inches)
1991/05/22 Rainbow Trout 3,015 Catchable (6+ inches)
1991/05/21 Rainbow Trout 3,045 Catchable (6+ inches)
1991/05/16 Rainbow Trout 3,930 Catchable (6+ inches)
1990/10/25 Rainbow Trout 200 Adults
1990/10/15 Cutbow - Cutthroat x Rainbow Trout 26,250 Fingerling (3-6 inches)
1990/10/15 Cutbow - Cutthroat x Rainbow Trout - Diploid 26,250 Fingerling (3-6 inches)
1990/09/21 Brown Trout 5,070 Fingerling (3-6 inches)
1990/06/08 Rainbow Trout 2,655 Catchable (6+ inches)
1990/05/17 Rainbow Trout 5,000 Catchable (6+ inches)
1990/05/10 Rainbow Trout 52,080 Fingerling (3-6 inches)
1989/10/18 Cutbow - Cutthroat x Rainbow Trout 25,145 Fingerling (3-6 inches)
1989/10/18 Cutbow - Cutthroat x Rainbow Trout - Diploid 25,145 Fingerling (3-6 inches)
1989/06/23 Rainbow Trout 50,020 Fingerling (3-6 inches)
1989/05/10 Rainbow Trout 10,000 Catchable (6+ inches)
1988/10/26 Brown Trout 4,140 Catchable (6+ inches)
1988/09/27 Cutbow - Cutthroat x Rainbow Trout 25,200 Fingerling (3-6 inches)
1988/09/27 Cutbow - Cutthroat x Rainbow Trout - Diploid 25,200 Fingerling (3-6 inches)
1988/06/14 Rainbow Trout 50,400 Fingerling (3-6 inches)
1987/09/17 Henrys Lake Cutthroat Trout 25,575 Fry (0-3 inches)
1987/06/03 Rainbow Trout 18,480 Fingerling (3-6 inches)
1987/06/01 Rainbow Trout 32,340 Fingerling (3-6 inches)
1986/08/12 Henrys Lake Cutthroat Trout 25,000 Fry (0-3 inches)
1986/07/08 Rainbow Trout 10,500 Fingerling (3-6 inches)
1986/05/29 Rainbow Trout 20,000 Fingerling (3-6 inches)
1986/05/28 Rainbow Trout 21,250 Fingerling (3-6 inches)
1985/08/16 Henrys Lake Cutthroat Trout 25,720 Fry (0-3 inches)
1985/07/01 Rainbow Trout 30,220 Fingerling (3-6 inches)
1985/07/01 Rainbow Trout 14,900 Fry (0-3 inches)
1984/07/26 Rainbow Trout 20,125 Fingerling (3-6 inches)
1984/07/18 Rainbow Trout 31,200 Fingerling (3-6 inches)
1984/05/18 Rainbow Trout 7,200 Catchable (6+ inches)
1984/05/17 Rainbow Trout 7,200 Catchable (6+ inches)
1982/07/02 Rainbow Trout 4,800 Catchable (6+ inches)
1982/06/01 Rainbow Trout 28,125 Fry (0-3 inches)
1982/06/01 Snake River Fine-Spotted Cutthroat Trout 9,990 Fingerling (3-6 inches)
1982/05/24 Snake River Fine-Spotted Cutthroat Trout 35,000 Fingerling (3-6 inches)
1982/05/19 Rainbow Trout 21,850 Fingerling (3-6 inches)
1982/05/19 Snake River Fine-Spotted Cutthroat Trout 5,500 Fingerling (3-6 inches)
1981/09/23 Cutbow - Cutthroat x Rainbow Trout 6,969 Fry (0-3 inches)
1981/09/23 Cutbow - Cutthroat x Rainbow Trout - Diploid 6,969 Fry (0-3 inches)
1981/07/21 Rainbow Trout 10,140 Catchable (6+ inches)
1981/06/16 Rainbow Trout 13,237 Fingerling (3-6 inches)
1981/05/15 Rainbow Trout 33,600 Fingerling (3-6 inches)
1980/07/14 Rainbow Trout 2,280 Catchable (6+ inches)
1980/05/06 Rainbow Trout 19,710 Fingerling (3-6 inches)
1980/05/06 Rainbow Trout 30,000 Fry (0-3 inches)
1979/07/30 Rainbow Trout 2,040 Catchable (6+ inches)
1979/06/06 Rainbow Trout 25,092 Fingerling (3-6 inches)
1979/05/01 Rainbow Trout 50,400 Fingerling (3-6 inches)
1978/05/03 Rainbow Trout 35,164 Fry (0-3 inches)
1977/10/12 Cutbow - Cutthroat x Rainbow Trout 13,364 Fry (0-3 inches)
1977/06/23 Cutthroat Trout 11,284 Fry (0-3 inches)
1977/04/21 Rainbow Trout 50,025 Fingerling (3-6 inches)
1976/07/22 Cutbow - Cutthroat x Rainbow Trout 23,980 Fry (0-3 inches)
1976/07/22 Cutbow - Cutthroat x Rainbow Trout - Diploid 23,980 Fry (0-3 inches)
1976/05/03 Rainbow Trout 28,035 Fingerling (3-6 inches)
1976/05/03 Rainbow Trout 11,865 Fry (0-3 inches)
1975/09/24 Cutthroat Trout 8,086 Fry (0-3 inches)
1975/05/21 Rainbow Trout 74,968 Fingerling (3-6 inches)
1974/09/05 Cutthroat Trout 14,210 Fry (0-3 inches)
1974/05/13 Rainbow Trout 74,465 Fingerling (3-6 inches)
1973/04/24 Rainbow Trout 74,976 Fry (0-3 inches)
1972/04/27 Rainbow Trout 73,869 Fry (0-3 inches)
1971/05/17 Rainbow Trout 43,410 Fry (0-3 inches)
1970/06/16 Rainbow Trout 1,890 Catchable (6+ inches)
1970/06/01 Rainbow Trout 3,360 Catchable (6+ inches)
1970/05/19 Rainbow Trout 4,800 Catchable (6+ inches)
1970/05/19 Rainbow Trout 49,959 Fry (0-3 inches)
1969/05/22 Rainbow Trout 4,600 Catchable (6+ inches)
1969/05/15 Rainbow Trout 27,230 Fry (0-3 inches)
1969/05/14 Rainbow Trout 6,000 Catchable (6+ inches)
1968/05/31 Rainbow Trout 100,320 Fry (0-3 inches)
1968/05/20 Rainbow Trout 10,400 Catchable (6+ inches)
Source: IDFG Fish Stocking Database.

Licenses and Tags

Learn more about IDFG Licenses, Tags & Permits
 

The lake has a 5 mph speed limit and is a no-wake water.

Fishing Rules, 2025 - 2027

All Waters Open All Year

Except as modified in Special Rules
Fishing is not allowed within the posted upstream and downstream boundary of any fish weir or trap.

Daily Bag Limits

The following daily bag limits apply to all waters within each region except as modified in the Special Rules. The possession limit is 3-times the daily bag limit.

Special Rules

No Special Rules for Horsethief Reservoir.
Southwest Region Bag Limits
Bass (Largemouth and Smallmouth)

  • Bass limit is 6, both species combined
  • None under 12 inches

Brook Trout

  • Brook Trout limit is 25
  • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for Brook Trout

Bull Trout

  • Bull Trout - catch-and-release

Kokanee

  • Kokanee limit is 6

Salmon (ocean-run)

  • Spring and summer Chinook Salmon seasons and limits are set by the Idaho Fish and Game Commission and issued in separate brochures
  • Seasons and limits for fall Chinook Salmon and Coho Salmon can be found here
  • Sockeye Salmon fishing is illegal. Defined as ocean-run Oncorhynchus nerka longer than 14 inches in the Snake River drainage below Hells Canyon Dam, the Salmon River drainage (excluding above Mosquito Flat Dam)
  • Fishing for salmon is prohibited unless a salmon season is specifically opened for that water

Steelhead (ocean-run)

  • Defined as Rainbow Trout longer than 20 inches in the Salmon River drainage (excluding lakes and reservoirs). Between Hells Canyon Dam and Oxbow Dam and the Boise River from its mouth upstream to Barber Dam during steelhead seasons, steelhead are Rainbow Trout over 20 inches with the adipose fin clipped (as evidenced by a healed scar)
  • Fishing for steelhead is prohibited unless a steelhead season is specifically opened for that water. See fishing regulations for details

Sturgeon

  • Sturgeon - catch-and-release
  • Sturgeon must not be removed from the water and must be released upon landing
  • Barbless hooks, sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device are required. See fishing regulations for details

Tiger Muskie

  • Tiger Muskie limit is 2, none under 40 inches

Trout includes Brown Trout, Lake Trout, Golden Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, land-locked Chinook and Coho Salmon, trout hybrids (e.g. Tiger Trout)

  • Trout limit is 6, all species combined
  • Chinook Salmon and steelhead placed in ponds are counted in the trout bag limit
  • Bull Trout and Brook Trout are listed separately

Walleye (Stocked illegally in this Region. May be harmful to existing fisheries.)

  • No bag, length, or possession limits. Harvest is encouraged

Whitefish

  • Whitefish limit is 25
  • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for whitefish

Protected Nongame Fish includes Pacific Lamprey

  • May not be harvested or possessed

All Other Fish Species includes bullfrogs and crayfish

  • No bag, length, or possession limits
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