Franklin County · reservoir · 66 acres
Foster Reservoir
1 stocking on record · IDFG
Foster Reservoir is a reservoir in Franklin County, Idaho, stocked with Rainbow Trout (Triploid) — most recently on Mar 11, 2026. FishableWaters aggregates every stocking record for this water from IDFG; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Showers
91°
61°
22 mph
17%
Fri
Overcast
98°
67°
19 mph
2%
Sat
Overcast
102°
76°
16 mph
0%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Mar 11 | Rainbow Trout (Triploid) | 2,300 | 13" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Lamont Reservoir1.7 mistocked Mar 11, 2026
- Johnson Reservoir2.0 mistocked Mar 11, 2026
- Glendale Reservoir2.2 mistocked Mar 11, 2026
- Winder Reservoir4.1 mistocked Mar 16, 2026
- Battle Creek3.9 mi
- Station Creek5.2 mi
- Condie Reservoir5.8 mi
- Fivemile Creek4.7 mi
Seasons, limits, and rules are the state's call — check the official ID regulations and buy your license before you go. We link the source; we never restate the rules.
Foster Reservoir fishing — FAQ
What fish are stocked in Foster Reservoir?+
Foster Reservoir is stocked with Rainbow Trout (Triploid) in Franklin County, Idaho, most recently on Mar 11, 2026 by IDFG. The full stocking ledger is on this page.
Do I need a license to fish Foster Reservoir?+
Yes — Idaho requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Foster Reservoir?+
Foster Reservoir is a reservoir in Franklin County, Idaho. Driving directions and an interactive topo map are on this page.
Data: IDFG · updated Mar 11, 2026 · checked daily · we publish what agencies publish, nothing else.