Valley County · reservoir · 66 acres · seasonal
Cactus Flat Detention Reservoir
Cactus Flat 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
98°
64°
13 mph
3%
Sat
Overcast
106°
67°
12 mph
1%
Sun
Overcast
94°
77°
24 mph
2%
→ 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
- Gauge Reservoir0.5 mi
- Old Dog Creek Reservoir1.0 mi
- Flat Drop Reservoir1.0 mi
- Olson Reservoir1.2 mi
- John Reservoir1.2 mi
- Cabin Reservoir2.7 mi
- Salty Glen Reservoir2.7 mi
- Beaver Creek2.2 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.
Cactus Flat Detention Reservoir fishing — FAQ
Do I need a license to fish Cactus Flat 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 Cactus Flat Detention Reservoir?+
Cactus Flat Detention Reservoir is a reservoir in Valley County, Montana. Driving directions and an interactive topo map are on this page.