The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Martinsdale Reservoir
Wheatland County, Montana · about 770 acres (1.2 sq mi)
51°F water, calm this morning.
About Martinsdale Reservoir
Martinsdale Reservoir is a lake in Wheatland County, Montana, covering about 770 acres.
From end to end it runs about 1.9 miles with roughly 6.7 miles of shoreline. Its surface is about 4,780 ft above sea level. Harlowton is about 20 miles east.
- Size
- About 770 acres (1.2 sq mi)
- Shoreline
- About 6.7 miles
- End to end
- About 1.9 miles
- Elevation
- About 4,780 ft
- County
- Wheatland County
The lake from above
Best fishing times
Saturday Fair
- 6:45 am – 9:00 amsunrise · wind 8 mph
- 3:30 pm – 5:30 pm bestsunset, moon overhead · wind 16 mph
Sunday Good
- 4:15 pm – 6:30 pm bestsunset, moon overhead · wind 16 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Montana, largemouth bass, crappie, bluegill and sunfish and catfish are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 51°F on the surface right now, here is how each one should behave.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
- FairCatfish
Waking up. Channels and creek mouths, especially after rain.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
5 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:20 am · sunset 4:49 pm · waxing crescent moon (lake time).
Towns and places to stay near Martinsdale Reservoir
- Harlowtonabout 20 mi east
- White Sulphur Springsabout 30 mi west
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Martinsdale Reservoir
What fish are in Martinsdale Reservoir?
Lakes like Martinsdale Reservoir usually hold largemouth bass, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Martinsdale Reservoir?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Martinsdale Reservoir?
About 770 acres, with about 6.7 miles of shoreline.
What town is near Martinsdale Reservoir?
Harlowton is about 20 miles east; White Sulphur Springs is about 30 miles west.
What is the water temperature at Martinsdale Reservoir today?
The surface was about 51°F on the latest clear reading. The page updates every day.
Martinsdale Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
