Wheatland County · reservoir · 989 acres
Martinsdale Reservoir
Stocked 2× on record · Montana FWP
Martinsdale Reservoir is a reservoir in Wheatland County, Montana, stocked with Rainbow Trout — most recently on May 28, 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
91°
62°
15 mph
8%
Fri
Overcast
92°
62°
16 mph
9%
Sat
Overcast
100°
63°
18 mph
1%
↗ pressure risingPost-front rising pressure can slow things down for a day.
Stocking ledger
| — 2026 — | ||||
| May 28 | Rainbow Trout | 29,728 | 5.25" | |
| May 14 | Rainbow Trout | 25,272 | 5.2700000000000005" | |
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
- South Fork Musselshell River2.5 mi
- North Fork Musselshell River2.5 mi
- Gillis Creek4.5 mi
- East Fork Miller Creek6.4 mi
- West Fork Miller Creek6.4 mi
- Daisy Dean Creek4.5 mi
- Dry Fork Daisy Dean Creek5.9 mi
- Mud Creek6.3 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.
Martinsdale Reservoir fishing — FAQ
What fish are stocked in Martinsdale Reservoir?+
Martinsdale Reservoir is stocked with Rainbow Trout in Wheatland County, Montana, most recently on May 28, 2026 by Montana FWP. The full stocking ledger is on this page.
Do I need a license to fish Martinsdale 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 Martinsdale Reservoir?+
Martinsdale Reservoir is a reservoir in Wheatland County, Montana. Driving directions and an interactive topo map are on this page.
Data: Montana FWP · updated May 28, 2026 · checked daily · we publish what agencies publish, nothing else.