Horsethief Reservoir

Flows into the Horsethief Creek

  • Recommended Fishing Water
  • Family Fishing Water

Horsethief Reservoir in Valley County is 508.5 acres.

This reservoir has everything for a memorable fishing weekend - a beautiful lake in the trees, good fishing and camping.

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
6/20/2019 Kokanee 2,993 Less than 6 inches
6/13/2019 Brown Trout 13,028 Less than 6 inches
6/13/2019 Rainbow Trout 9,905 Less than 6 inches
6/5/2019 Rainbow Trout 12,544 Greater than 6 inches
5/17/2019 Rainbow Trout 9,792 Greater than 6 inches
5/16/2019 Rainbow Trout 5,211 Greater than 6 inches
9/21/2018 Rainbow Trout 961 Greater than 6 inches
9/20/2018 Rainbow Trout 19,369 Greater than 6 inches
6/7/2018 Brown Trout 10,178 Less than 6 inches
6/7/2018 Rainbow Trout 10,582 Less than 6 inches
6/6/2018 Kokanee 3,000 Less than 6 inches
6/6/2018 Rainbow Trout 5,001 Greater than 6 inches
5/22/2018 Rainbow Trout 4,238 Greater than 6 inches
5/17/2018 Rainbow Trout 3,966 Greater than 6 inches
5/16/2018 Rainbow Trout 3,797 Greater than 6 inches
9/19/2017 Rainbow Trout 3,017 Greater than 6 inches
9/7/2017 Rainbow Trout 6,566 Greater than 6 inches
6/20/2017 Brown Trout 10,656 Less than 6 inches
6/20/2017 Rainbow Trout 9,981 Less than 6 inches
6/16/2017 Kokanee 3,000 Less than 6 inches
6/6/2017 Rainbow Trout 3,045 Greater than 6 inches
5/23/2017 Rainbow Trout 4,006 Greater than 6 inches
5/22/2017 Rainbow Trout 8,504 Greater than 6 inches
11/2/2016 Rainbow Trout 600 Adults
9/22/2016 Rainbow Trout 4,218 Greater than 6 inches
6/30/2016 Rainbow Trout 10,899 Greater than 6 inches
6/10/2016 Kokanee 5,085 Less than 6 inches
6/9/2016 Brown Trout 30,564 Less than 6 inches
6/9/2016 Rainbow Trout 9,359 Less than 6 inches
6/8/2016 Rainbow Trout 2,560 Greater than 6 inches
5/26/2016 Rainbow Trout 3,180 Greater than 6 inches
5/25/2016 Rainbow Trout 5,724 Greater than 6 inches
5/4/2016 Rainbow Trout 6,080 Greater than 6 inches
6/11/2015 Rainbow Trout 3,000 Greater than 6 inches
5/20/2015 Rainbow Trout 11,988 Greater than 6 inches
9/24/2014 Rainbow Trout 3,430 Greater than 6 inches
9/23/2014 Rainbow Trout 6,400 Greater than 6 inches
6/11/2014 Rainbow Trout 10,014 Less than 6 inches
6/4/2014 Brown Trout 10,010 Less than 6 inches
6/4/2014 Rainbow Trout 4,992 Greater than 6 inches
5/16/2014 Rainbow Trout 20,280 Greater than 6 inches
10/2/2013 Rainbow Trout 5,350 Greater than 6 inches
9/20/2013 Rainbow Trout 5,250 Greater than 6 inches
9/19/2013 Rainbow Trout 3,650 Greater than 6 inches
8/28/2013 Rainbow Trout 18,150 Greater than 6 inches
6/26/2013 Brown Trout 10,038 Less than 6 inches
6/26/2013 Rainbow Trout 2,056 Greater than 6 inches
6/20/2013 Rainbow Trout 7,204 Greater than 6 inches
5/23/2013 Rainbow Trout 8,910 Greater than 6 inches
5/16/2013 Rainbow Trout 7,088 Greater than 6 inches
10/11/2012 Rainbow Trout 8,379 Greater than 6 inches
6/26/2012 Brown Trout 9,782 Less than 6 inches
6/11/2012 Rainbow Trout 6,040 Greater than 6 inches
5/23/2012 Rainbow Trout 11,100 Greater than 6 inches
5/23/2012 Rainbow Trout 9,982 Less than 6 inches
5/22/2012 Rainbow Trout 9,888 Greater than 6 inches
9/22/2011 Rainbow Trout 12,100 Greater than 6 inches
9/19/2011 Rainbow Trout 5,040 Greater than 6 inches
6/8/2011 Rainbow Trout 12,400 Greater than 6 inches
6/8/2011 Rainbow Trout 13,000 Less than 6 inches
6/1/2011 Brown Trout 24,450 Less than 6 inches
5/19/2011 Rainbow Trout 1,198 Greater than 6 inches
5/17/2011 Rainbow Trout 15,370 Greater than 6 inches
9/16/2010 Rainbow Trout 5,500 Greater than 6 inches
6/30/2010 Rainbow Trout 13,110 Greater than 6 inches
6/30/2010 Rainbow Trout 11,060 Less than 6 inches
5/24/2010 Rainbow Trout 11,825 Greater than 6 inches
5/20/2010 Brown Trout 10,184 Less than 6 inches
9/9/2009 Rainbow Trout 5,060 Greater than 6 inches
6/9/2009 Rainbow Trout 5,152 Greater than 6 inches
6/9/2009 Rainbow Trout 10,680 Less than 6 inches
5/19/2009 Brown Trout 10,140 Less than 6 inches
5/18/2009 Rainbow Trout 21,420 Greater than 6 inches
10/6/2008 Rainbow Trout 4,950 Greater than 6 inches
6/4/2008 Rainbow Trout 10,564 Greater than 6 inches
5/28/2008 Brown Trout 10,170 Less than 6 inches
5/19/2008 Rainbow Trout 6,718 Greater than 6 inches
5/19/2008 Rainbow Trout 25,800 Less than 6 inches
5/14/2008 Rainbow Trout 13,435 Greater than 6 inches
9/13/2007 Brown Trout 10,004 Less than 6 inches
9/13/2007 Rainbow Trout 5,170 Greater than 6 inches
6/12/2007 Rainbow Trout 5,100 Greater than 6 inches
6/12/2007 Rainbow Trout 10,650 Less than 6 inches
5/9/2007 Rainbow Trout 19,840 Greater than 6 inches
5/7/2007 Brown Trout 4,108 Greater than 6 inches
6/20/2006 Rainbow Trout 15,200 Greater than 6 inches
5/24/2006 Rainbow Trout 20,300 Greater than 6 inches
9/21/2005 Brown Trout 6,935 Greater than 6 inches
9/21/2005 Rainbow Trout 4,550 Greater than 6 inches
6/14/2005 Rainbow Trout 2,600 Greater than 6 inches
6/14/2005 Rainbow Trout 10,080 Less than 6 inches
5/16/2005 Rainbow Trout 22,750 Greater than 6 inches
9/16/2004 Rainbow Trout 4,800 Greater than 6 inches
6/8/2004 Rainbow Trout 8,960 Greater than 6 inches
6/8/2004 Rainbow Trout 10,010 Less than 6 inches
5/3/2004 Rainbow Trout 16,100 Greater than 6 inches
9/11/2003 Rainbow Trout 17,010 Greater than 6 inches
5/21/2003 Rainbow Trout 19,200 Greater than 6 inches
5/21/2003 Rainbow Trout 5,332 Less than 6 inches
3/21/2003 Rainbow Trout 5,334 Less than 6 inches
9/18/2002 Rainbow Trout 5,000 Greater than 6 inches
6/24/2002 Rainbow Trout 6,820 Greater than 6 inches
6/24/2002 Rainbow Trout 10,150 Less than 6 inches
5/22/2002 Rainbow Trout 18,200 Greater than 6 inches
9/20/2001 Cutbow - Cutthroat x Rainbow Trout 10,000 Less than 6 inches
9/13/2001 Rainbow Trout 22,562 Greater than 6 inches
6/26/2001 Rainbow Trout 5,850 Less than 6 inches
6/4/2001 Rainbow Trout 7,200 Greater than 6 inches
6/4/2001 Rainbow Trout 8,492 Less than 6 inches
5/9/2001 Rainbow Trout 10,140 Greater than 6 inches
9/27/2000 Cutbow - Cutthroat x Rainbow Trout 10,080 Less than 6 inches
9/20/2000 Rainbow Trout 5,670 Greater than 6 inches
7/26/2000 Brown Trout 14,860 Greater than 6 inches
5/23/2000 Rainbow Trout 648 Greater than 6 inches
5/17/2000 Rainbow Trout 4,800 Greater than 6 inches
5/17/2000 Rainbow Trout 14,850 Less than 6 inches
5/16/2000 Rainbow Trout 9,900 Greater than 6 inches
5/12/2000 Rainbow Trout 8,960 Greater than 6 inches
4/28/2000 Rainbow Trout 2,100 Greater than 6 inches
8/31/1999 Rainbow Trout 5,070 Greater than 6 inches
6/28/1999 Rainbow Trout 10,038 Greater than 6 inches
5/27/1999 Rainbow Trout 9,945 Greater than 6 inches
9/16/1998 Rainbow Trout 8,000 Greater than 6 inches
9/3/1998 Cutbow - Cutthroat x Rainbow Trout 10,000 Less than 6 inches
6/22/1998 Rainbow Trout 9,900 Greater than 6 inches
5/15/1998 Brown Trout 5,080 Adults
5/14/1998 Rainbow Trout 16,275 Less than 6 inches
5/5/1998 Rainbow Trout 10,040 Greater than 6 inches
9/15/1997 Rainbow Trout 5,250 Greater than 6 inches
9/4/1997 Cutbow - Cutthroat x Rainbow Trout 10,500 Less than 6 inches
5/22/1997 Brown Trout 8,190 Less than 6 inches
5/22/1997 Rainbow Trout 33,330 Less than 6 inches
5/16/1997 Brown Trout 1,640 Greater than 6 inches
5/15/1997 Brown Trout 3,362 Greater than 6 inches
5/5/1997 Rainbow Trout 19,600 Greater than 6 inches
9/27/1996 Cutbow - Cutthroat x Rainbow Trout 10,000 Less than 6 inches
9/27/1996 Rainbow Trout 10,400 Less than 6 inches
9/19/1996 Cutthroat Trout 10,000 Less than 6 inches
7/15/1996 Rainbow Trout 10,000 Less than 6 inches
7/11/1996 Rainbow Trout 2,800 Greater than 6 inches
7/11/1996 Rainbow Trout 12,080 Less than 6 inches
6/28/1996 Rainbow Trout 7,260 Greater than 6 inches
5/31/1996 Rainbow Trout 16,500 Greater than 6 inches
5/23/1996 Rainbow Trout 3,600 Greater than 6 inches
5/17/1996 Brown Trout 5,000 Greater than 6 inches
5/15/1996 Rainbow Trout 25,260 Less than 6 inches
5/24/1995 Rainbow Trout 10,000 Greater than 6 inches
10/13/1994 Rainbow Trout 250 Adults
10/13/1994 Rainbow Trout 5,000 Greater than 6 inches
9/26/1994 Cutbow - Cutthroat x Rainbow Trout 22,000 Less than 6 inches
5/25/1994 Brown Trout 6,703 Less than 6 inches
5/25/1994 Rainbow Trout 31,163 Less than 6 inches
5/12/1994 Rainbow Trout 10,143 Greater than 6 inches
9/22/1993 Splake 10,000 Less than 6 inches
9/16/1993 Cutbow - Cutthroat x Rainbow Trout 25,200 Less than 6 inches
6/15/1993 Brown Trout 5,100 Less than 6 inches
6/1/1993 Rainbow Trout 44,544 Less than 6 inches
5/24/1993 Rainbow Trout 10,200 Less than 6 inches
9/10/1992 Cutbow - Cutthroat x Rainbow Trout 25,000 Less than 6 inches
8/25/1992 Brown Trout 5,000 Less than 6 inches
5/26/1992 Rainbow Trout 300 Greater than 6 inches
5/15/1992 Rainbow Trout 10,000 Greater than 6 inches
5/7/1992 Rainbow Trout 54,660 Less than 6 inches
9/25/1991 Cutbow - Cutthroat x Rainbow Trout 25,200 Less than 6 inches
9/9/1991 Rainbow Trout 900 Greater than 6 inches
7/24/1991 Rainbow Trout 550 Adults
6/18/1991 Brown Trout 5,175 Less than 6 inches
5/29/1991 Rainbow Trout 50,000 Less than 6 inches
5/22/1991 Rainbow Trout 3,015 Greater than 6 inches
5/21/1991 Rainbow Trout 3,045 Greater than 6 inches
5/16/1991 Rainbow Trout 3,930 Greater than 6 inches
10/25/1990 Rainbow Trout 200 Adults
10/15/1990 Cutbow - Cutthroat x Rainbow Trout 26,250 Less than 6 inches
9/21/1990 Brown Trout 5,070 Less than 6 inches
6/8/1990 Rainbow Trout 2,655 Greater than 6 inches
5/17/1990 Rainbow Trout 5,000 Greater than 6 inches
5/10/1990 Rainbow Trout 52,080 Less than 6 inches
10/18/1989 Cutbow - Cutthroat x Rainbow Trout 25,145 Less than 6 inches
6/23/1989 Rainbow Trout 50,020 Less than 6 inches
5/10/1989 Rainbow Trout 10,000 Greater than 6 inches
10/26/1988 Brown Trout 4,140 Greater than 6 inches
9/27/1988 Cutbow - Cutthroat x Rainbow Trout 25,200 Less than 6 inches
6/14/1988 Rainbow Trout 50,400 Less than 6 inches
9/17/1987 Cutthroat Trout 25,575 Less than 6 inches
6/3/1987 Rainbow Trout 18,480 Less than 6 inches
6/1/1987 Rainbow Trout 32,340 Less than 6 inches
8/12/1986 Cutthroat Trout 25,000 Less than 6 inches
7/8/1986 Rainbow Trout 10,500 Less than 6 inches
5/29/1986 Rainbow Trout 20,000 Less than 6 inches
5/28/1986 Rainbow Trout 21,250 Less than 6 inches
8/16/1985 Cutthroat Trout 25,720 Less than 6 inches
7/1/1985 Rainbow Trout 45,120 Less than 6 inches
7/26/1984 Rainbow Trout 20,125 Less than 6 inches
7/18/1984 Rainbow Trout 31,200 Less than 6 inches
5/18/1984 Rainbow Trout 7,200 Greater than 6 inches
5/17/1984 Rainbow Trout 7,200 Greater than 6 inches
7/2/1982 Rainbow Trout 4,800 Greater than 6 inches
6/1/1982 Rainbow Trout 28,125 Less than 6 inches
6/1/1982 Yellowstone Cutthroat Trout 9,990 Less than 6 inches
5/24/1982 Yellowstone Cutthroat Trout 35,000 Less than 6 inches
5/19/1982 Rainbow Trout 21,850 Less than 6 inches
5/19/1982 Yellowstone Cutthroat Trout 5,500 Less than 6 inches
9/23/1981 Cutbow - Cutthroat x Rainbow Trout 6,969 Less than 6 inches
7/21/1981 Rainbow Trout 10,140 Greater than 6 inches
6/16/1981 Rainbow Trout 13,237 Less than 6 inches
5/15/1981 Rainbow Trout 33,600 Less than 6 inches
7/14/1980 Rainbow Trout 2,280 Greater than 6 inches
5/6/1980 Rainbow Trout 49,710 Less than 6 inches
7/30/1979 Rainbow Trout 2,040 Greater than 6 inches
6/6/1979 Rainbow Trout 25,092 Less than 6 inches
5/1/1979 Rainbow Trout 50,400 Less than 6 inches
5/3/1978 Rainbow Trout 35,164 Less than 6 inches
10/12/1977 Cutbow - Cutthroat x Rainbow Trout 13,364 Less than 6 inches
6/23/1977 Cutthroat Trout 11,284 Less than 6 inches
4/21/1977 Rainbow Trout 50,025 Less than 6 inches
7/22/1976 Cutbow - Cutthroat x Rainbow Trout 23,980 Less than 6 inches
5/3/1976 Rainbow Trout 39,900 Less than 6 inches
9/24/1975 Cutthroat Trout 8,086 Less than 6 inches
5/21/1975 Rainbow Trout 74,968 Less than 6 inches
9/5/1974 Cutthroat Trout 14,210 Less than 6 inches
5/13/1974 Rainbow Trout 74,465 Less than 6 inches
4/24/1973 Rainbow Trout 74,976 Less than 6 inches
4/27/1972 Rainbow Trout 73,869 Less than 6 inches
5/17/1971 Rainbow Trout 43,410 Less than 6 inches
6/16/1970 Rainbow Trout 1,890 Greater than 6 inches
6/1/1970 Rainbow Trout 3,360 Greater than 6 inches
5/19/1970 Rainbow Trout 4,800 Greater than 6 inches
5/19/1970 Rainbow Trout 49,959 Less than 6 inches
5/22/1969 Rainbow Trout 4,600 Greater than 6 inches
5/15/1969 Rainbow Trout 27,230 Less than 6 inches
5/14/1969 Rainbow Trout 6,000 Greater than 6 inches
5/31/1968 Rainbow Trout 100,320 Less than 6 inches
5/20/1968 Rainbow Trout 10,400 Greater than 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

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 after the second day of the season.

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 must be followed when fishing for Brook Trout
Bull Trout
  • Bull Trout limit is 0, catch-and-release
Kokanee
  • Kokanee limit is 6
Salmon (ocean-going)
  • Salmon seasons and limits are set annually by the Idaho Fish and Game Commission and issued in a separate brochure
  • Fishing for or targeting salmon is prohibited unless a salmon season is specifically opened for that water
Steelhead (ocean-going)
  • Defined as Rainbow Trout longer than twenty (20) inches in length 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 twenty (20) inches in length with the adipose fin clipped (as evidenced by a healed scar)
  • Fishing for or targeting steelhead is prohibited unless a steelhead season is specifically opened for that water (see fishing regulations for details)
Sturgeon
  • Sturgeon limit is 0, catch-and-release
  • Sturgeon must not be removed from the water and must be released upon landing
  • Barbless hooks and sliding sinkers 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
  • Does not include Bull Trout and Brook Trout which are listed separately
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 must be followed 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, size or possession limit
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