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 6 come with LakeScope PRO. Full screen
Lake Granby
Grand County, Colorado · 7,260 acres (11.3 sq mi)
47°F water, calm this morning.
About Lake Granby
Lake Granby is a reservoir in Grand County, Colorado, covering 7,260 acres. Granby Dam holds it back on the Colorado. Lake Granby is Colorado's third-largest body of water, created by Granby Dam as part of the Colorado-Big Thompson Project.
It stretches about 6.8 miles end to end and its shoreline adds up to about 30 miles. The water sits about 8,280 ft above sea level. The deepest water is about 221 ft. The nearest town, Granby, is about 4.7 miles southwest. Boulder, the nearest city, is about 28 miles east.
- Size
- 7,260 acres (11.3 sq mi)
- Deepest
- About 221 ft
- Shoreline
- About 30 miles
- End to end
- About 6.8 miles
- Elevation
- About 8,280 ft
- Type
- Reservoir
- Dam
- Granby Dam, Colorado
- County
- Grand County
The lake from above
Best fishing times
Friday Good
- 6:15 am – 8:30 amsunrise · wind 1 mph
- 3:15 pm – 4:45 pm bestsunset, moon overhead · wind 2 mph
Saturday Fair
- 6:15 am – 8:30 amsunrise · wind 1 mph
- 3:15 pm – 5:30 pm bestsunset, moon overhead · wind 2 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 Granby
Anglers come to Lake Granby for lake trout, trout and kokanee salmon. With the surface at 47°F, the notes below say which of them should be biting.
- GoodLake trout
Cool surface. They come shallower; try shore points.
- GoodTrout
Good range. Near the surface and along shorelines.
- FairKokanee salmon
Near the surface in the cool water. Troll slowly.
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
- 7
6 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 6:47 am · sunset 4:47 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Granby
- Granbyabout 4.7 mi southwest
- Hot Sulphur Springsabout 12 mi southwest
- Fraserabout 13 mi south
- Nederlandabout 18 mi southeast
- Bouldernearest city, about 28 mi east
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Questions about Lake Granby
What fish are in Lake Granby?
Lake Granby holds lake trout, trout and kokanee salmon. Check the state fish and wildlife agency for stocking and limits.
How deep is Lake Granby?
About 221 ft at the deepest point. The 3-D view shows where the deep water is.
How big is Lake Granby?
7,260 acres, with about 30 miles of shoreline.
What town is near Lake Granby?
Granby is about 4.7 miles southwest; Hot Sulphur Springs is about 12 miles southwest.
What is the water temperature at Lake Granby today?
The surface was about 47°F on the latest clear reading. The page updates every day.
Lake Granby on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
