Mountain Home Reservoir

Snake River Drainage

  • Recommended Fishing Water

Mountain Home Reservoir in Elmore County is 405.2 acres.

Mountain Home Reservoir has widely fluctuating water levels. In high water years, the reservoir fills and trout are stocked. Fishing in the early spring and through early summer can be good. In poor water years, no trout are stocked as the reservoir quickly becomes low and trout survival is reduced.

Facilities

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

Recommended Game Fish

Species Observed in Surveys

Fish Stocking Records

Date Species Quantity General Size
4/12/2018 Rainbow Trout 1,766 Greater than 6 inches
4/11/2018 Rainbow Trout 1,785 Greater than 6 inches
3/15/2017 Rainbow Trout 5,216 Greater than 6 inches
2/24/2016 Rainbow Trout 5,400 Greater than 6 inches
2/23/2016 Rainbow Trout 742 Adults
10/11/2012 Rainbow Trout 2,724 Greater than 6 inches
5/8/2012 Rainbow Trout 5,390 Greater than 6 inches
10/14/2011 Rainbow Trout 2,148 Greater than 6 inches
3/30/2011 Rainbow Trout 8,400 Greater than 6 inches
9/28/2010 Rainbow Trout 2,072 Greater than 6 inches
3/10/2010 Rainbow Trout 2,380 Greater than 6 inches
2/18/2010 Rainbow Trout 4,080 Greater than 6 inches
5/19/2009 Rainbow Trout 5,600 Greater than 6 inches
4/26/2007 Rainbow Trout 5,890 Greater than 6 inches
5/9/2006 Bluegill 129 Less than 6 inches
5/9/2006 Largemouth Bass 63 Greater than 6 inches
5/8/2006 Bluegill 79 Less than 6 inches
5/8/2006 Largemouth Bass 61 Greater than 6 inches
5/3/2006 Bluegill 187 Less than 6 inches
5/3/2006 Largemouth Bass 59 Greater than 6 inches
4/24/2006 Rainbow Trout 6,072 Greater than 6 inches
4/11/2006 Bluegill 126 Less than 6 inches
4/11/2006 Largemouth Bass 38 Greater than 6 inches
3/9/2006 Rainbow Trout 2,760 Greater than 6 inches
4/8/2004 Rainbow Trout 6,300 Greater than 6 inches
5/15/2003 Rainbow Trout 6,380 Greater than 6 inches
10/30/2002 Rainbow Trout 2,100 Greater than 6 inches
7/2/2002 Rainbow Trout 1,818 Greater than 6 inches
3/21/2002 Rainbow Trout 3,895 Greater than 6 inches
5/17/2000 Steelhead 14,656 Greater than 6 inches
4/26/2000 Rainbow Trout 200 Greater than 6 inches
5/19/1999 Rainbow Trout 600 Greater than 6 inches
5/5/1999 Steelhead Trout 20,500 Greater than 6 inches
6/4/1998 Rainbow Trout 3,300 Greater than 6 inches
4/16/1998 Rainbow Trout 8,100 Greater than 6 inches
3/30/1998 Rainbow Trout 15,000 Less than 6 inches
4/15/1997 Rainbow Trout 21,080 Less than 6 inches
12/17/1996 Rainbow Trout 10,000 Less than 6 inches
6/6/1996 Rainbow Trout 1,200 Greater than 6 inches
4/23/1996 Rainbow Trout 15,000 Less than 6 inches
3/19/1996 Rainbow Trout 4,000 Greater than 6 inches
4/17/1995 Rainbow Trout 15,000 Less than 6 inches
3/14/1995 Rainbow Trout 3,000 Greater than 6 inches
3/24/1993 Rainbow Trout 2,535 Greater than 6 inches
6/14/1991 Rainbow Trout 500 Greater than 6 inches
3/22/1991 Rainbow Trout 999 Greater than 6 inches
4/2/1990 Rainbow Trout 4,100 Greater than 6 inches
11/14/1989 Rainbow Trout 1,540 Greater than 6 inches
11/14/1989 Rainbow Trout 3,000 Less than 6 inches
3/22/1989 Rainbow Trout 1,980 Greater than 6 inches
3/11/1988 Rainbow Trout 510 Greater than 6 inches
4/9/1987 Rainbow Trout 2,040 Greater than 6 inches
2/20/1987 Rainbow Trout 2,013 Greater than 6 inches
4/2/1986 Rainbow Trout 4,600 Greater than 6 inches
5/24/1985 Rainbow Trout 1,540 Greater than 6 inches
4/8/1985 Rainbow Trout 2,175 Greater than 6 inches
4/11/1984 Rainbow Trout 2,160 Greater than 6 inches
5/13/1983 Rainbow Trout 4,200 Greater than 6 inches
3/4/1982 Rainbow Trout 3,630 Greater than 6 inches
3/19/1981 Rainbow Trout 1,870 Greater than 6 inches
3/19/1980 Rainbow Trout 2,990 Greater than 6 inches
3/21/1979 Rainbow Trout 5,000 Greater than 6 inches
3/30/1978 Rainbow Trout 2,080 Greater than 6 inches
3/10/1978 Rainbow Trout 3,500 Greater than 6 inches
3/3/1978 Rainbow Trout 3,500 Greater than 6 inches
4/15/1977 Rainbow Trout 2,700 Greater than 6 inches
3/25/1977 Rainbow Trout 2,550 Greater than 6 inches
3/11/1977 Rainbow Trout 1,985 Adults
6/25/1976 Rainbow Trout 8,400 Greater than 6 inches
3/9/1976 Rainbow Trout 1,900 Greater than 6 inches
3/4/1976 Rainbow Trout 3,150 Greater than 6 inches
3/13/1975 Rainbow Trout 2,520 Greater than 6 inches
3/10/1975 Rainbow Trout 2,314 Greater than 6 inches
3/1/1974 Rainbow Trout 3,780 Greater than 6 inches
2/8/1974 Rainbow Trout 6,090 Greater than 6 inches
3/6/1973 Rainbow Trout 10,000 Less than 6 inches
3/7/1972 Rainbow Trout 4,900 Greater than 6 inches
3/6/1972 Rainbow Trout 5,100 Greater than 6 inches
3/11/1971 Rainbow Trout 5,006 Greater than 6 inches
3/8/1971 Rainbow Trout 5,006 Greater than 6 inches
3/10/1970 Rainbow Trout 5,000 Greater than 6 inches
2/27/1970 Rainbow Trout 5,062 Greater than 6 inches
4/4/1969 Rainbow Trout 2,942 Greater than 6 inches
3/14/1969 Rainbow Trout 3,211 Greater than 6 inches
3/6/1969 Rainbow Trout 3,880 Greater than 6 inches
5/1/1968 Rainbow Trout 3,001 Greater than 6 inches
3/13/1968 Rainbow Trout 3,529 Greater than 6 inches
3/12/1968 Rainbow Trout 3,588 Greater 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

No Special Rules for Mountain Home 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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