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 3 come with LakeScope PRO. Full screen
Lake Mary Ronan
Lake County, Montana · 1,500 acres (2.4 sq mi)
40°F water, calm this morning.
About Lake Mary Ronan
In Lake County, Montana, Lake Mary Ronan covers 1,500 acres; it is a natural lake. Lake Mary Ronan holds one of Montana's only kokanee salmon broodstocks.
From end to end it runs about 2.2 miles with roughly 6.8 miles of shoreline. At about 3,700 ft above sea level, it follows the seasons of the region. It reaches about 47 ft at its deepest. Lakeside lies about 9.5 miles to the northeast. Missoula, the nearest city, is about 74 miles south.
- Size
- 1,500 acres (2.4 sq mi)
- Deepest
- About 47 ft
- Shoreline
- About 6.8 miles
- End to end
- About 2.2 miles
- Elevation
- About 3,700 ft
- Type
- Natural lake
- County
- Lake County
The lake from above
Best fishing times
Saturday Good
- 7:00 am – 9:15 amsunrise · wind 2 mph
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 3 mph
Sunday Good
- 7:00 am – 9:15 amsunrise · wind 2 mph
- 4:30 pm – 5:30 pm bestsunset, moon overhead · wind 3 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Lake Mary Ronan
The fish here: kokanee salmon, trout, largemouth bass and yellow perch. At 40°F on the surface right now, here is how each one should behave.
- FairKokanee salmon
Near the surface in the cool water. Troll slowly.
- GoodTrout
Good range. Near the surface and along shorelines.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- GoodYellow perch
Schooled near weed edges and soft bottom.
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
3 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 7:41 am · sunset 5:01 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Mary Ronan
- Lakesideabout 9.5 mi northeast
- Somersabout 12 mi northeast
- Bigforkabout 17 mi northeast
- Kalispellabout 18 mi north
- Missoulanearest city, about 74 mi south
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Lake Mary Ronan
What fish are in Lake Mary Ronan?
Lake Mary Ronan holds kokanee salmon, trout, largemouth bass and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Lake Mary Ronan?
About 47 ft at the deepest point. The 3-D view shows where the deep water is.
How big is Lake Mary Ronan?
1,500 acres, with about 6.8 miles of shoreline.
What town is near Lake Mary Ronan?
Lakeside is about 9.5 miles northeast; Somers is about 12 miles northeast.
What is the water temperature at Lake Mary Ronan today?
The surface was about 40°F on the latest clear reading. The page updates every day.
Lake Mary Ronan on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.