Fremont County · reservoir · 287 acres
Ashton Reservoir
Stocked 3× on record · IDFG
Ashton Reservoir is a reservoir in Fremont County, Idaho, stocked with Rainbow Trout (Triploid) — most recently on Apr 2, 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
Overcast
89°
54°
17 mph
32%
Fri
Overcast
94°
61°
9 mph
1%
Sat
Overcast
98°
64°
19 mph
0%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| Apr 2 | Rainbow Trout (Triploid) | 3,226 | 13" | |
| Apr 2 | Rainbow Trout (Triploid) | 17,765 | 13" | |
| Apr 1 | Rainbow Trout (Triploid) | 17,765 | 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
- Rattlesnake Creek0.1 mi
- Willow Creek0.3 mi
- Snow Creek3.8 mi
- Spring Creek3.5 mi
- Strong Creek3.5 mi
- Lemon Lake (historical)4.3 mi
- Mikesell Reservoir Number One4.7 mi
- Conant Creek6.0 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.
Ashton Reservoir fishing — FAQ
What fish are stocked in Ashton Reservoir?+
Ashton Reservoir is stocked with Rainbow Trout (Triploid) in Fremont County, Idaho, most recently on Apr 2, 2026 by IDFG. The full stocking ledger is on this page.
Do I need a license to fish Ashton 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 Ashton Reservoir?+
Ashton Reservoir is a reservoir in Fremont County, Idaho. Driving directions and an interactive topo map are on this page.
Data: IDFG · updated Apr 2, 2026 · checked daily · we publish what agencies publish, nothing else.