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Idaho lake

Arrowrock Reservoir

Boise and Elmore Counties, Idaho

IDFG lists Arrowrock Reservoir at about 3,015 surface acres in Boise and Elmore Counties. Recommended game fish are kokanee, yellow perch, smallmouth bass and rainbow trout, and the reservoir level fluctuates widely.

N2 mi
Air temp Loading current temperature…
Map data © OpenStreetMap contributors.
Surface area3,015 acres
Max depth—
Shoreline—
Boat motorsCheck local rules

Species

Fishery rating out of 5.

Kokanee●●●○○

Recommended game fish

Yellow Perch●●○○○

Recommended game fish

Smallmouth Bass●●○○○

Recommended game fish

Rainbow Trout●●○○○

Recommended game fish

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

  • Public boat rampPublic
    IDFG Fishing Planner lists a boat ramp; campground, toilet and ADA access listed; reservoir level fluctuates widely, so check ramp elevationsDirections ↗
  • More public accessPublic
    See the state agency or lake website for all ramps and feesDirections ↗

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

SpeciesMin sizeDaily limit
Bass (largemouth & smallmouth)12 in6
Trout (all species combined)See Idaho rules book ↗6
KokaneeSee Idaho rules book ↗6

Other species in this lake: look up the limits at Idaho Department of Fish and Game ↗

Verified October 2026. Rules change, so confirm current limits with the Idaho Department of Fish and Game before you fish.

Bait & tackle nearby

No shops listed yet for this lake. Use the search link below.

Search more bait shops near Arrowrock Reservoir ↗

Local tips

  • Water level swings widely, so check Bureau of Reclamation levels before launching.
  • Kokanee limit is 6 and bass limit is 6 with none under 12 inches.
  • Bull trout must be released.

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

More Idaho lakes

Coeur d'Alene Lake Lake Cascade Priest Lake Dworshak Reservoir Blackfoot Reservoir Palisades Reservoir Brownlee Reservoir Lake Lowell All Idaho lakes →

Always wear a life jacket and check your state's current regulations before you fish.