Lost Valley Reservoir

Flows into the Lost Creek

  • Recommended Fishing Water

Lost Valley Reservoir in Adams County is 522.5 acres.

Interactive Map
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Lost Valley Reservoir offers anglers plenty of places to fish from the shoreline of this scenic reservoir. Fish for trout early in the summer because the reservoir is often drawn down by end of summer.

Facilities

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

Directions

Travel 16 miles north from Council on Highway 95 to the community of Pine Ridge. Turn west on Lost Valley Reservoir Road and travel 4 miles to Lost Valley Reservoir.

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
2024/05/23 Rainbow - Hayspur Triploid 250 Catchable (12-14 inches)
2024/05/23 Rainbow - Troutlodge Triploid 8,819 Catchable (12-14 inches)
2024/05/22 Rainbow - Troutlodge Triploid 5,005 Catchable (12-14 inches)
2023/05/25 Rainbow - Hayspur Triploid 9,082 Catchable (6+ inches)
2023/05/24 Rainbow - Hayspur Triploid 5,050 Catchable (6+ inches)
2022/05/26 Rainbow - Hayspur Triploid 4,085 Catchable (6+ inches)
2022/05/23 Rainbow - Hayspur Triploid 9,936 Catchable (6+ inches)
2021/05/25 Rainbow - Hayspur Triploid 4,025 Catchable (12-14 inches)
2021/05/24 Rainbow - Hayspur Triploid 10,005 Catchable (12-14 inches)
2020/05/21 Rainbow - Hayspur Triploid 4,205 Catchable (12-14 inches)
2020/05/19 Rainbow - Hayspur Triploid 9,835 Catchable (12-14 inches)
2019/06/10 Rainbow - Hayspur Triploid 4,495 Catchable (12-14 inches)
2019/06/07 Rainbow - Hayspur Triploid 4,640 Catchable (12-14 inches)
2019/05/21 Rainbow - Hayspur Triploid 4,860 Catchable (12-14 inches)
2018/05/21 Rainbow - Hayspur Triploid 9,569 Catchable (12-14 inches)
2017/06/08 Rainbow - Hayspur Triploid 4,622 Catchable (6+ inches)
2017/06/07 Rainbow - Hayspur Triploid 4,890 Catchable (6+ inches)
2016/06/29 Rainbow - Hayspur Triploid 23,820 Catchable (6+ inches)
2016/06/07 Rainbow - Hayspur Triploid 18,944 Catchable (6+ inches)
2015/06/10 Rainbow - Troutlodge Triploid 4,432 Catchable (6+ inches)
2015/06/01 Rainbow - Troutlodge Triploid 4,526 Catchable (6+ inches)
2014/06/09 Rainbow - Troutlodge Triploid 15,052 Catchable (6+ inches)
2013/06/19 Rainbow - Troutlodge Triploid 4,989 Catchable (6+ inches)
2013/05/06 Rainbow - Troutlodge Triploid 10,230 Catchable (6+ inches)
2012/05/30 Rainbow - Troutlodge Triploid 9,570 Catchable (6+ inches)
2012/05/24 Rainbow - Troutlodge Triploid 4,960 Catchable (6+ inches)
2011/06/08 Rainbow - Troutlodge Triploid 17,050 Catchable (6+ inches)
2010/06/29 Rainbow - Troutlodge Triploid 15,790 Catchable (6+ inches)
2009/05/27 Rainbow - Troutlodge Triploid 15,190 Catchable (6+ inches)
2008/05/29 Rainbow - Troutlodge Triploid 7,557 Catchable (6+ inches)
2008/05/29 Troutlodge 7,590 Catchable (6+ inches)
2007/06/13 Rainbow - Troutlodge Triploid 7,130 Catchable (6+ inches)
2006/06/13 Rainbow - Troutlodge Triploid 17,980 Catchable (6+ inches)
2005/05/27 Rainbow - Troutlodge Triploid 15,600 Catchable (6+ inches)
2004/06/09 Rainbow - Troutlodge Triploid 15,080 Catchable (6+ inches)
2003/06/11 Rainbow - Troutlodge Triploid 15,680 Catchable (6+ inches)
2002/07/09 Hayspur Kamloops Triploid 8,560 Fingerling (3-6 inches)
2002/06/12 Rainbow - Troutlodge Triploid 8,844 Catchable (6+ inches)
2002/05/30 Rainbow - Troutlodge Triploid 10,880 Catchable (6+ inches)
2002/05/28 Rainbow - Troutlodge Triploid 15,080 Catchable (6+ inches)
2001/05/17 Rainbow - Troutlodge Triploid 9,240 Catchable (6+ inches)
2001/05/14 Rainbow - Troutlodge Triploid 9,600 Catchable (6+ inches)
2000/05/18 Troutlodge 9,600 Catchable (6+ inches)
1999/06/16 Domestic Kamloops 10,140 Catchable (6+ inches)
1998/05/19 Domestic Kamloops 9,800 Catchable (6+ inches)
1997/05/28 Splake 4,250 Catchable (6+ inches)
1997/05/22 Rainbow - Hayspur Diploid 20,010 Fingerling (3-6 inches)
1997/05/13 Domestic Kamloops 10,200 Catchable (6+ inches)
1996/10/17 Domestic Kamloops 25,680 Fingerling (3-6 inches)
1996/07/11 Domestic Kamloops 5,600 Catchable (6+ inches)
1996/05/22 Domestic Kamloops 10,125 Catchable (6+ inches)
1995/06/26 Domestic Kamloops 5,000 Catchable (6+ inches)
1995/05/24 Domestic Kamloops 1,050 Catchable (6+ inches)
1995/05/24 Rainbow - Hayspur Diploid 24,200 Fingerling (3-6 inches)
1995/05/18 Domestic Kamloops 6,200 Catchable (6+ inches)
1995/04/27 Domestic Kamloops 3,008 Catchable (6+ inches)
1994/05/16 Domestic Kamloops 9,990 Catchable (6+ inches)
1993/09/22 Splake 10,000 Fingerling (3-6 inches)
1993/06/09 Rainbow - Hayspur Diploid 51,000 Fingerling (3-6 inches)
1993/05/24 Domestic Kamloops 10,000 Catchable (6+ inches)
1992/06/15 Domestic Kamloops 68,875 Fry (0-3 inches)
1992/05/20 Troutlodge 25,140 Catchable (6+ inches)
1992/05/17 Wild Kamloops 1,000 Fingerling (3-6 inches)
1989/05/10 Mt Lassen Rainbow 10,200 Catchable (6+ inches)
1988/07/18 Eagle Lake Rainbow 30,025 Fingerling (3-6 inches)
1988/07/05 McConnaughy Rainbow 34,300 Fingerling (3-6 inches)
1987/07/23 McConnaughy Rainbow 33,600 Fingerling (3-6 inches)
1987/06/22 Eagle Lake Rainbow 34,200 Fingerling (3-6 inches)
1986/07/07 Eagle Lake Rainbow 25,500 Fry (0-3 inches)
1986/07/07 McConnaughy Rainbow 37,500 Fry (0-3 inches)
1986/07/07 Mt Shasta Rainbow 29,670 Fingerling (3-6 inches)
1986/05/19 Rainbow X Cutthroat - Diploid 100 Adults
1986/05/14 Mt Lassen Rainbow 14,850 Catchable (6+ inches)
1986/05/12 Rainbow X Cutthroat - Diploid 109 Adults
1986/05/01 Rainbow Unspecified 9,800 Adults
1985/06/18 Rainbow Unspecified 10,240 Catchable (6+ inches)
1985/06/10 Chinook Fall 5,040 Fingerling (3-6 inches)
1985/05/15 Rainbow Unspecified 10,200 Catchable (6+ inches)
1984/09/07 Chinook Fall 105 Adults
1984/08/20 Bear Lake Bonneville Cutthroat 2,990 Catchable (6+ inches)
1984/06/11 Chinook Fall 7,875 Fry (0-3 inches)
1984/06/08 Rainbow Unspecified 8,700 Catchable (6+ inches)
1984/06/04 Mt Whitney Rainbow 8,460 Catchable (6+ inches)
1983/10/29 Chinook Fall 2,140 Fingerling (3-6 inches)
1982/07/20 Chinook Fall 3,055 Fingerling (3-6 inches)
1982/07/20 Rainbow Unspecified 9,120 Catchable (6+ inches)
1982/06/01 Rainbow Unspecified 7,440 Catchable (6+ inches)
1981/05/14 Rainbow Unspecified 5,400 Catchable (6+ inches)
1980/06/17 Rainbow Unspecified 9,450 Catchable (6+ inches)
1980/05/19 Rainbow Unspecified 7,020 Catchable (6+ inches)
1979/06/07 Rainbow Unspecified 5,520 Catchable (6+ inches)
1979/06/05 Rainbow Unspecified 5,280 Catchable (6+ inches)
1979/06/04 Rainbow Unspecified 5,280 Catchable (6+ inches)
1979/05/24 Rainbow Unspecified 5,520 Catchable (6+ inches)
1978/06/14 Rainbow Unspecified 7,920 Catchable (6+ inches)
1978/05/25 Rainbow Unspecified 7,200 Catchable (6+ inches)
1978/05/24 Rainbow Unspecified 7,200 Catchable (6+ inches)
1977/06/20 Rainbow Unspecified 2,530 Catchable (6+ inches)
1977/05/11 Rainbow Unspecified 1,600 Catchable (6+ inches)
1976/06/08 Rainbow Unspecified 8,640 Catchable (6+ inches)
1976/05/24 Rainbow Unspecified 5,520 Catchable (6+ inches)
1975/07/21 Rainbow Unspecified 9,120 Catchable (6+ inches)
1975/07/07 Rainbow Unspecified 5,280 Catchable (6+ inches)
1975/06/27 Rainbow Unspecified 1,140 Catchable (6+ inches)
1975/06/11 Rainbow Unspecified 1,380 Catchable (6+ inches)
1974/09/26 Cutthroat 48,000 Fry (0-3 inches)
1974/09/26 Rainbow Unspecified 28,875 Fry (0-3 inches)
1974/07/17 Rainbow Unspecified 2,460 Catchable (6+ inches)
1974/06/27 Rainbow Unspecified 1,320 Catchable (6+ inches)
1974/05/30 Rainbow Unspecified 3,600 Catchable (6+ inches)
1973/10/19 Rainbow Unspecified 8,280 Fingerling (3-6 inches)
1973/10/17 Rainbow Unspecified 9,100 Fingerling (3-6 inches)
1973/06/04 Rainbow Unspecified 1,320 Catchable (6+ inches)
1973/05/16 Rainbow Unspecified 16,910 Catchable (6+ inches)
1973/05/10 Rainbow Unspecified 1,740 Catchable (6+ inches)
1972/05/31 Rainbow Unspecified 900 Catchable (6+ inches)
1972/05/25 Rainbow Unspecified 780 Adults
1971/07/19 Rainbow Unspecified 2,040 Catchable (6+ inches)
1971/07/01 Rainbow Unspecified 3,690 Catchable (6+ inches)
1971/06/10 Rainbow Unspecified 2,220 Catchable (6+ inches)
1971/06/03 Rainbow Unspecified 1,620 Catchable (6+ inches)
1971/05/25 Rainbow Unspecified 1,920 Catchable (6+ inches)
1970/07/31 Rainbow Unspecified 2,040 Catchable (6+ inches)
1970/07/09 Rainbow Unspecified 65,826 Fry (0-3 inches)
1970/06/18 Rainbow Unspecified 35,100 Fry (0-3 inches)
1970/06/12 Rainbow Unspecified 1,800 Catchable (6+ inches)
1970/05/29 Rainbow Unspecified 2,640 Catchable (6+ inches)
1970/05/26 Rainbow Unspecified 3,600 Catchable (6+ inches)
1968/09/10 Rainbow Unspecified 114,000 Fry (0-3 inches)
1968/08/15 Rainbow Unspecified 3,120 Fingerling (3-6 inches)
1968/06/11 Rainbow Unspecified 110,960 Fingerling (3-6 inches)
1968/06/01 Rainbow Unspecified 600 Catchable (6+ inches)
1968/05/29 Rainbow Unspecified 1,800 Catchable (6+ inches)
1968/05/28 Rainbow Unspecified 4,650 Catchable (6+ inches)
Source: IDFG Fish Stocking Database.

Licenses and Tags

Learn more about IDFG Licenses, Tags & Permits
 

Fishing Rules, 2022 - 2024

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 Lost Valley 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

  • 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 limit is 0 and fishing for or targeting Sockeye Salmon is illegal
  • 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 are required
  • Use of a sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device is 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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