Bannock County · reservoir · 55,320 acres
American Falls Reservoir
Stocked 16× since 2025 · IDFG
American Falls Reservoir is a reservoir in Bannock County, Idaho, stocked with Rainbow Trout and Rainbow Trout (Triploid) — most recently on Jun 17, 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
Clear
99°
63°
14 mph
1%
Sat
Overcast
102°
61°
15 mph
0%
Sun
Overcast
97°
66°
18 mph
0%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
| — 2026 — | ||||
| Jun 17 | Rainbow Trout (Triploid) | 9,861 | 13" | |
| Mar 9 | Rainbow Trout (Triploid) | 38,583 | 4.5" | |
| Mar 9 | Rainbow Trout (Triploid) | 8,011 | 4.5" | |
| Mar 9 | Rainbow Trout (Triploid) | 57,113 | 4.5" | |
| Mar 9 | Rainbow Trout (Triploid) | 41,180 | 4.5" | |
| Mar 9 | Rainbow Trout (Triploid) | 46,552 | 4.5" | |
| Mar 6 | Rainbow Trout (Triploid) | 40,055 | 4.5" | |
| Mar 2 | Rainbow Trout | 13,200 | 13" | |
| Mar 2 | Rainbow Trout (Triploid) | 1,869 | 6" | |
| Mar 2 | Rainbow Trout (Triploid) | 3,135 | 6" | |
| — 2025 — | ||||
| Nov 25 | Rainbow Trout (Triploid) | 14,504 | 6" | |
| Nov 25 | Rainbow Trout (Triploid) | 14,120 | 6" | |
| Nov 25 | Rainbow Trout (Triploid) | 1,645 | 13" | |
| Nov 13 | Rainbow Trout (Triploid) | 6,600 | 13" | |
| Nov 12 | Rainbow Trout (Triploid) | 12,225 | 13" | |
| Nov 3 | Rainbow Trout (Triploid) | 8,050 | 13" | |
When does American Falls Reservoir get stocked?
Going by 16 records since 2025, stocking here peaks in March.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Idaho waters with rainbow trout → · All Idaho waters with rainbow trout (triploid) →
Nearby waters
- Portneuf River1.6 mistocked Jul 15, 2026
- Bannock Creek4.0 mi
- Spring Creek6.0 mi
- Blind Spring Creek8.1 mi
- Danielson Creek9.0 mi
- Big Jimmy Creek8.2 mi
- Clear Creek8.0 mi
- Michaud Creek8.0 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.
American Falls Reservoir fishing — FAQ
What fish are stocked in American Falls Reservoir?+
American Falls Reservoir is stocked with Rainbow Trout and Rainbow Trout (Triploid) in Bannock County, Idaho, most recently on Jun 17, 2026 by IDFG. The full stocking ledger is on this page.
When does American Falls Reservoir get stocked?+
Going by 16 records since 2025, stocking at American Falls Reservoir peaks in March. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish American Falls 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 American Falls Reservoir?+
American Falls Reservoir is a reservoir in Bannock County, Idaho. Driving directions and an interactive topo map are on this page.
Data: IDFG · updated Jun 17, 2026 · checked daily · we publish what agencies publish, nothing else.