Lemhi River

Tributary of Salmon River

  • Recommended Fishing Water

Lemhi River in Lemhi County is 84.0 miles in length.

Facilities

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

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
4/20/2006 Steelhead 29,278 Greater than 6 inches
4/19/2006 Steelhead 93,292 Greater than 6 inches
4/19/2006 Steelhead 5,093 Less than 6 inches
4/15/2005 Steelhead 44,908 Greater than 6 inches
4/8/2005 Steelhead 87,885 Greater than 6 inches
5/6/2004 Steelhead 13,330 Greater than 6 inches
4/16/2004 Steelhead 5,952 Greater than 6 inches
4/15/2004 Steelhead 93,462 Greater than 6 inches
4/14/2004 Steelhead 7,440 Greater than 6 inches
8/4/2003 Spring-Summer Chinook 48 Adults
4/8/2003 Steelhead 14,960 Greater than 6 inches
4/7/2003 Steelhead 100,757 Greater than 6 inches
5/7/2002 Steelhead 84,501 Greater than 6 inches
5/6/2002 Steelhead 75,685 Greater than 6 inches
5/3/2002 Steelhead 98,400 Greater than 6 inches
11/1/2001 Spring-Summer Chinook 5,758 Eyed Eggs
10/18/2001 Spring-Summer Chinook 2,372 Eyed Eggs
5/7/2001 Steelhead 102,821 Greater than 6 inches
5/4/2001 Steelhead 100,311 Greater than 6 inches
5/3/2001 Steelhead 21,206 Greater than 6 inches
8/18/1998 Spring-Summer Chinook 49 Adults
4/16/1993 Steelhead 45,100 Less than 6 inches
4/15/1993 Steelhead 39,500 Less than 6 inches
4/14/1993 Steelhead 113,900 Less than 6 inches
7/27/1990 Spring-Summer Chinook 5 Adults
9/21/1989 Steelhead 100,200 Less than 6 inches
6/14/1989 Spring-Summer Chinook 35 Adults
6/6/1989 Steelhead 55,000 Less than 6 inches
5/31/1988 Steelhead 67,000 Less than 6 inches
5/23/1988 Steelhead 102,500 Less than 6 inches
5/22/1987 Steelhead 87,500 Less than 6 inches
4/30/1986 Steelhead 177,500 Less than 6 inches
4/29/1986 Steelhead 217,500 Less than 6 inches
4/28/1986 Steelhead 217,500 Less than 6 inches
4/11/1986 Steelhead 231 Adults
4/10/1986 Steelhead 110 Adults
4/8/1986 Steelhead 207 Adults
4/7/1986 Steelhead 134 Adults
7/12/1985 Steelhead 72,680 Less than 6 inches
5/17/1985 Steelhead 250,000 Less than 6 inches
5/16/1985 Steelhead 250,000 Less than 6 inches
5/14/1985 Steelhead 250,000 Less than 6 inches
4/17/1985 Steelhead 150 Adults
4/11/1985 Steelhead 121 Adults
4/10/1985 Steelhead 300 Adults
4/9/1985 Steelhead 150 Adults
6/4/1984 Steelhead 170,000 Less than 6 inches
4/20/1984 Steelhead 350 Adults
4/13/1984 Steelhead 350 Adults
4/12/1984 Steelhead 350 Adults
4/11/1984 Steelhead 350 Adults
4/10/1984 Steelhead 375 Adults
4/3/1984 Steelhead 100,000 Less than 6 inches
3/23/1984 Steelhead 378 Adults
3/21/1984 Steelhead 400 Adults
3/22/1983 Steelhead 184 Adults
3/21/1983 Steelhead 200 Adults
3/10/1983 Steelhead 173 Adults
5/19/1982 Steelhead 164,853 Less than 6 inches
6/17/1981 Rainbow Trout 236,800 Less than 6 inches
5/19/1981 Rainbow Trout 129,677 Less than 6 inches
5/8/1981 Rainbow Trout 57,392 Less than 6 inches
5/1/1981 Rainbow Trout 109,200 Less than 6 inches
4/24/1980 Rainbow Trout 9,140 Less than 6 inches
4/22/1980 Rainbow Trout 8,640 Less than 6 inches
11/6/1979 Rainbow Trout 11,367 Less than 6 inches
11/1/1979 Rainbow Trout 11,367 Less than 6 inches
6/14/1979 Rainbow Trout 78,240 Less than 6 inches
6/12/1979 Rainbow Trout 71,720 Less than 6 inches
4/20/1979 Rainbow Trout 130 Adults
4/9/1979 Rainbow Trout 12,798 Greater than 6 inches
3/26/1979 Rainbow Trout 17,401 Greater than 6 inches
3/22/1979 Rainbow Trout 16,374 Greater than 6 inches
3/19/1979 Rainbow Trout 23,099 Greater than 6 inches
3/15/1979 Rainbow Trout 32,440 Greater than 6 inches
3/13/1979 Rainbow Trout 25,425 Greater than 6 inches
3/8/1979 Rainbow Trout 15,405 Greater than 6 inches
3/8/1979 Rainbow Trout 18,360 Less than 6 inches
3/6/1979 Rainbow Trout 29,145 Greater than 6 inches
3/1/1979 Rainbow Trout 26,335 Greater than 6 inches
2/20/1979 Rainbow Trout 18,577 Greater than 6 inches
2/14/1979 Rainbow Trout 28,500 Less than 6 inches
2/12/1979 Rainbow Trout 8,647 Less than 6 inches
1/24/1979 Rainbow Trout 19,613 Less than 6 inches
1/22/1979 Rainbow Trout 16,978 Less than 6 inches
7/12/1978 Spring-Summer Chinook 123,600 Less than 6 inches
7/11/1978 Spring-Summer Chinook 141,600 Less than 6 inches
5/19/1978 Rainbow Trout 499,750 Less than 6 inches
4/5/1978 Rainbow Trout 30 Adults
4/4/1978 Rainbow Trout 30 Adults
7/8/1976 Spring-Summer Chinook 156,000 Less than 6 inches
6/11/1975 Spring-Summer Chinook 360,000 Less than 6 inches
6/10/1975 Spring-Summer Chinook 216,000 Less than 6 inches
6/3/1975 Spring-Summer Chinook 269,100 Less than 6 inches
5/29/1975 Spring-Summer Chinook 295,200 Less than 6 inches
4/10/1975 Rainbow Trout 12,765 Less than 6 inches
4/9/1975 Rainbow Trout 14,490 Less than 6 inches
4/3/1975 Rainbow Trout 37,720 Less than 6 inches
8/14/1974 Rainbow Trout 1,600 Greater than 6 inches
6/18/1974 Cutthroat Trout 331,344 Less than 6 inches
6/18/1974 Spring-Summer Chinook 633,000 Less than 6 inches
6/2/1974 Spring-Summer Chinook 14,300 Less than 6 inches
5/30/1974 Spring-Summer Chinook 255,948 Less than 6 inches
7/31/1973 Rainbow Trout 2,020,200 Less than 6 inches
7/17/1973 Rainbow Trout 553,960 Less than 6 inches
7/12/1973 Rainbow Trout 1,138,136 Less than 6 inches
6/14/1973 Rainbow Trout 426,240 Less than 6 inches
6/13/1973 Rainbow Trout 426,240 Less than 6 inches
4/30/1973 Spring-Summer Chinook 52,689 Less than 6 inches
4/15/1973 Spring-Summer Chinook 184,800 Less than 6 inches
6/29/1972 Rainbow Trout 1,116,264 Less than 6 inches
6/22/1972 Rainbow Trout 1,043,700 Less than 6 inches
6/21/1972 Rainbow Trout 358,190 Less than 6 inches
Source: IDFG Fish Stocking Database.

Licenses and Tags

Learn more about IDFG Licenses, Tags & Permits
 

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

Lemhi River
  • December 1 through Friday before Memorial Day weekend - trout limit is 0, catch-and-release
  • Saturday of Memorial Day weekend through November 30 - trout limit is 6, no harvest of Cutthroat Trout, no trout under 14 inches
Lemhi River tributaries
  • Salmon Region general rules apply
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 (ocean-going)
  • Salmon seasons and limits are set annually by the Idaho Fish and Game Commission and rules are 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 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 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 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 placed in ponds are considered 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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