Meagher County · reservoir · 19 acres
Bonanza Reservoir
1 stocking on record · Montana FWP
Bonanza Reservoir is a reservoir in Meagher County, Montana, stocked with Rainbow Trout — most recently on May 27, 2026. FishableWaters aggregates every stocking record for this water from Montana FWP; 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
85°
61°
17 mph
16%
Fri
Overcast
86°
61°
25 mph
33%
Sat
Overcast
93°
64°
17 mph
0%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| May 27 | Rainbow Trout | 507 | 4.55" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Slaughter House Creek2.6 mi
- Alabaugh Creek3.4 mi
- Coyote Creek3.2 mi
- Bonanza Creek3.2 mi
- Coates Pond4.7 mi
- Hensley Creek4.1 mi
- Dry Fork5.2 mi
- West Fork Flagstaff Creek5.2 mi
Seasons, limits, and rules are the state's call — check the official MT regulations and buy your license before you go. We link the source; we never restate the rules.
Bonanza Reservoir fishing — FAQ
What fish are stocked in Bonanza Reservoir?+
Bonanza Reservoir is stocked with Rainbow Trout in Meagher County, Montana, most recently on May 27, 2026 by Montana FWP. The full stocking ledger is on this page.
Do I need a license to fish Bonanza Reservoir?+
Yes — Montana 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 Bonanza Reservoir?+
Bonanza Reservoir is a reservoir in Meagher County, Montana. Driving directions and an interactive topo map are on this page.
Data: Montana FWP · updated May 27, 2026 · checked daily · we publish what agencies publish, nothing else.