Bayhorse Lake (Big Bayhorse Lake)

Salmon River Drainage

  • Recommended Fishing Water
  • Family Fishing Water

Bayhorse Lake (Big Bayhorse Lake) in Custer County is 25.0 acres.

Anglers will find good catch rates at these drive-in mountain lakes, either from shore or a small boat. Separated by a ridge and 250 vertical feet, Bayhorse and Little Bayhorse lakes are connected by a mile long hiking trail. Both lakes offer primitive campsites and a scenic escape from summer heat.

Facilities

Motor Restriction
Yes
Boat Ramp
Yes
Dock
Yes
Toilet
Yes
Campground
Yes
ADA Access
Yes

Directions

From Stanley: at the State Hwy 21 junction, go N on State Hwy 75 just past milepost 236 (about 47 miles); From Challis: go S on US Hwy 93 2 miles, then on State Hwy 75 (about 7 miles plus 0.6 mile past Bayhorse Recreation Site); Turn NW from Hwy 75, crossing the bridge onto FS Rd 051. Follow the road 6 miles to the "Y" and turn left, continuing another mile on FS 051 to (Big) Bayhorse Lake. For Little Bayhorse, keep right at the "Y" onto Little Bayhorse Lake Rd/FS 382 (trailers not recommended) and continue 0.8 mile to Little Bayhorse Lake.

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
2022/07/20 Rainbow Trout 2,145 Greater than 6 inches
2022/07/12 Rainbow Trout 2,005 Greater than 6 inches
2022/06/28 Rainbow Trout 2,013 Greater than 6 inches
2021/08/12 Rainbow Trout 2,903 Greater than 6 inches
2021/07/12 Rainbow Trout 2,330 Greater than 6 inches
2021/06/14 Rainbow Trout 2,187 Greater than 6 inches
2020/08/10 Rainbow Trout 1,999 Greater than 6 inches
2020/06/30 Rainbow Trout 2,002 Greater than 6 inches
2020/06/12 Rainbow Trout 2,000 Greater than 6 inches
2019/09/27 Westslope Cutthroat Trout 8,847 Less than 6 inches
2019/08/08 Rainbow Trout 1,989 Greater than 6 inches
2019/07/15 Rainbow Trout 2,083 Greater than 6 inches
2019/06/27 Rainbow Trout 2,002 Greater than 6 inches
2018/10/18 Westslope Cutthroat Trout 3,860 Less than 6 inches
2018/08/15 Rainbow Trout 1,999 Greater than 6 inches
2018/06/26 Rainbow Trout 2,005 Greater than 6 inches
2017/07/27 Rainbow Trout 2,006 Greater than 6 inches
2017/06/28 Rainbow Trout 2,000 Greater than 6 inches
2016/08/18 Rainbow Trout 2,214 Greater than 6 inches
2016/06/28 Rainbow Trout 2,000 Greater than 6 inches
2015/09/29 Westslope Cutthroat Trout 12,247 Less than 6 inches
2015/08/10 Rainbow Trout 2,012 Greater than 6 inches
2015/07/01 Rainbow Trout 2,004 Greater than 6 inches
2014/08/13 Rainbow Trout 2,000 Greater than 6 inches
2014/06/27 Rainbow Trout 2,002 Greater than 6 inches
2013/08/05 Rainbow Trout 1,960 Greater than 6 inches
2013/06/27 Rainbow Trout 1,999 Greater than 6 inches
2012/08/02 Rainbow Trout 1,999 Greater than 6 inches
2012/07/02 Rainbow Trout 2,013 Greater than 6 inches
2011/08/31 Rainbow Trout 1,000 Greater than 6 inches
2011/07/12 Rainbow Trout 2,001 Greater than 6 inches
2010/08/17 Rainbow Trout 2,000 Greater than 6 inches
2010/06/28 Rainbow Trout 2,001 Greater than 6 inches
2009/07/28 Rainbow Trout 2,002 Greater than 6 inches
2009/06/30 Rainbow Trout 2,063 Greater than 6 inches
2008/08/19 Rainbow Trout 1,000 Greater than 6 inches
2008/07/02 Rainbow Trout 3,074 Greater than 6 inches
2007/08/23 Rainbow Trout 2,000 Greater than 6 inches
2007/06/26 Rainbow Trout 2,002 Greater than 6 inches
2006/08/10 Rainbow Trout 1,998 Greater than 6 inches
2006/06/30 Rainbow Trout 1,995 Greater than 6 inches
2005/08/10 Rainbow Trout 2,025 Greater than 6 inches
2005/07/12 Rainbow Trout 2,083 Greater than 6 inches
2004/09/27 Rainbow Trout 2,380 Greater than 6 inches
2004/08/16 Rainbow Trout 2,000 Greater than 6 inches
2004/07/07 Rainbow Trout 1,995 Greater than 6 inches
2003/08/12 Rainbow Trout 2,025 Greater than 6 inches
2003/07/03 Rainbow Trout 1,995 Greater than 6 inches
2002/08/22 Rainbow Trout 1,995 Greater than 6 inches
2002/07/18 Rainbow Trout 2,025 Greater than 6 inches
2001/07/19 Rainbow Trout 2,001 Greater than 6 inches
1999/08/11 Rainbow Trout 1,000 Greater than 6 inches
1999/07/08 Rainbow Trout 1,000 Greater than 6 inches
1998/08/20 Rainbow Trout 1,000 Greater than 6 inches
1998/07/29 Rainbow Trout 1,000 Greater than 6 inches
1997/08/11 Rainbow Trout 1,000 Greater than 6 inches
1997/07/09 Rainbow Trout 1,000 Greater than 6 inches
1996/09/19 Rainbow Trout 1,000 Greater than 6 inches
1996/09/17 Rainbow Trout 1,000 Greater than 6 inches
1996/08/22 Rainbow Trout 1,000 Greater than 6 inches
1996/08/16 Rainbow Trout 1,900 Greater than 6 inches
1996/07/11 Rainbow Trout 2,030 Greater than 6 inches
1995/08/03 Rainbow Trout 1,000 Greater than 6 inches
1995/07/18 Rainbow Trout 1,000 Greater than 6 inches
1992/06/22 Rainbow Trout 1,140 Greater than 6 inches
1991/07/11 Rainbow Trout 1,000 Greater than 6 inches
1990/07/02 Rainbow Trout 840 Greater than 6 inches
1989/06/23 Rainbow Trout 1,140 Greater than 6 inches
1988/08/01 Rainbow Trout 2,025 Greater than 6 inches
1988/06/08 Rainbow Trout 990 Greater than 6 inches
1987/06/23 Rainbow Trout 1,320 Greater than 6 inches
1986/08/06 Rainbow Trout 2,100 Greater than 6 inches
1986/07/08 Rainbow Trout 2,010 Greater than 6 inches
1985/07/15 Rainbow Trout 1,338 Greater than 6 inches
1985/06/27 Rainbow Trout 1,000 Greater than 6 inches
1984/08/09 Rainbow Trout 1,524 Greater than 6 inches
1984/07/03 Rainbow Trout 2,100 Greater than 6 inches
1983/08/16 Rainbow Trout 2,365 Less than 6 inches
1983/07/22 Rainbow Trout 2,009 Greater than 6 inches
1982/08/11 Rainbow Trout 2,363 Greater than 6 inches
1982/07/19 Rainbow Trout 1,680 Greater than 6 inches
1981/07/29 Rainbow Trout 3,140 Less than 6 inches
1981/06/16 Rainbow Trout 3,996 Greater than 6 inches
1980/06/26 Rainbow Trout 4,250 Greater than 6 inches
1979/06/29 Rainbow Trout 3,150 Greater than 6 inches
1978/07/18 Rainbow Trout 2,960 Greater than 6 inches
1977/06/23 Rainbow Trout 4,400 Greater than 6 inches
1976/07/14 Rainbow Trout 3,300 Greater than 6 inches
1975/08/20 Rainbow Trout 2,000 Greater than 6 inches
1974/07/10 Rainbow Trout 1,080 Greater than 6 inches
1973/09/19 Rainbow Trout 1,500 Less than 6 inches
1970/07/15 Rainbow Trout 320 Greater than 6 inches
1969/07/28 Rainbow Trout 1,645 Greater than 6 inches
1968/07/15 Rainbow Trout 1,560 Greater than 6 inches
Source: IDFG Fish Stocking Database.

Licenses and Tags

Learn more about IDFG Licenses, Tags & Permits
 

Be cautious on this narrow, steep dirt road, slick when wet; Forest Service advises trailers under 32 feet. No drinking water at site.

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 Bayhorse Lake (Big Bayhorse Lake).
Salmon Region Bag Limits
Bass (Largemouth and Smallmouth)

  • No bag, size or possession limits

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 25

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 the Lemhi and Pahsimeroi rivers, lakes and reservoirs, and ponds)
  • Fishing for or targeting steelhead is prohibited unless a steelhead season is specifically opened for that water (see fishing regulationsfor 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 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

Tiger Muskie

  • Tiger Muskie limit is 2, none under 40 inches

Trout includes Lake Trout, Golden Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, Sunapee Trout and 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
  • 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 including 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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