Valley County · reservoir · 15 acres
Tomahawk Detention Reservoir
Tomahawk Detention Reservoir is a reservoir in Valley County, Montana. FishableWaters aggregates every stocking record for this water from Montana's fish & wildlife agency; 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
97°
65°
15 mph
7%
Sat
Overcast
101°
65°
14 mph
0%
Sun
Overcast
93°
76°
23 mph
1%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
No published stocking records yet. This water stays in our books — the ledger begins the hour its state agency publishes a record.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- Thunderhead Pit Reservoir0.6 mi
- Aldrin Reservoir1.4 mi
- Beaver Reservoir1.2 mi
- Jordan Reservoir1.3 mi
- Lonely Night Reservoir2.3 mi
- Bean Reservoir1.9 mi
- Little Beaver Creek2.5 mi
- South Fork Beaver Creek2.5 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.
Tomahawk Detention Reservoir fishing — FAQ
Do I need a license to fish Tomahawk Detention 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 Tomahawk Detention Reservoir?+
Tomahawk Detention Reservoir is a reservoir in Valley County, Montana. Driving directions and an interactive topo map are on this page.