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 4 come with LakeScope PRO. Full screen
Clark Canyon Reservoir
Beaverhead County, Montana · 5,900 acres (9.2 sq mi)
45°F water, windy Friday (23 mph SSE).
About Clark Canyon Reservoir
Clark Canyon Reservoir is a reservoir in Beaverhead County, Montana, covering 5,900 acres. Clark Canyon Dam holds it back on the Beaverhead River. Clark Canyon Reservoir, south of Dillon, impounds the Beaverhead River and is known for quality rainbow and brown trout.
From end to end it runs about 4.1 miles and its shoreline adds up to about 14.8 miles. At about 5,520 ft above sea level, it is a high-country lake, cold for much of the year. The nearest town, Dillon, is about 18 miles northeast.
- Size
- 5,900 acres (9.2 sq mi)
- Shoreline
- About 14.8 miles
- End to end
- About 4.1 miles
- Elevation
- About 5,520 ft
- Type
- Reservoir
- Dam
- Clark Canyon Dam, Beaverhead River
- County
- Beaverhead County
The lake from above
Best fishing times
Saturday Good
- 6:45 am – 9:00 amsunrise · wind 7 mph
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 7 mph
Sunday Fair
- 4:30 pm – 5:45 pm bestsunset, moon overhead · wind 21 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Clark Canyon Reservoir
Clark Canyon Reservoir holds trout. At 45°F on the surface right now, here is how each one should behave.
- GoodTrout
Good range. Near the surface and along shorelines.
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
4 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 7:26 am · sunset 5:04 pm · waxing crescent moon (lake time).
Towns and places to stay near Clark Canyon Reservoir
- Dillonabout 18 mi northeast
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Clark Canyon Reservoir
What fish are in Clark Canyon Reservoir?
Clark Canyon Reservoir holds trout. Check the state fish and wildlife agency for stocking and limits.
How deep is Clark Canyon 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 Clark Canyon Reservoir?
5,900 acres, with about 14.8 miles of shoreline.
What town is near Clark Canyon Reservoir?
Dillon is about 18 miles northeast.
What is the water temperature at Clark Canyon Reservoir today?
The surface was about 45°F on the latest clear reading. The page updates every day.
Clark Canyon Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.