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
Grayrocks Reservoir
Platte County, Wyoming · about 3,350 acres (5.2 sq mi)
54°F water, calm this morning.
About Grayrocks Reservoir
In Platte County, Wyoming, Grayrocks Reservoir covers about 3,350 acres.
From end to end it runs about 5.8 miles with roughly 18.3 miles of shoreline. At about 4,410 ft above sea level, it follows the seasons of the region. Guernsey is about 6.8 miles north. Cheyenne, the nearest city, is about 67 miles south.
- Size
- About 3,350 acres (5.2 sq mi)
- Shoreline
- About 18.3 miles
- End to end
- About 5.8 miles
- Elevation
- About 4,410 ft
- County
- Platte County
The lake from above
Best fishing times
Friday Good
- 6:15 am – 8:30 amsunrise · wind 5 mph
- 3:00 pm – 4:30 pm bestsunset, moon overhead · wind 10 mph
Saturday Good
- 6:15 am – 8:30 amsunrise · wind 5 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 10 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
Lakes like Grayrocks Reservoir in Wyoming usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 54°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.
- GoodWalleye
Prime range. Low light is best, on reefs and weed 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
- 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 4:38 pm · waxing crescent moon (lake time).
Towns and places to stay near Grayrocks Reservoir
- Guernseyabout 6.8 mi north
- Wheatlandabout 9.1 mi southwest
- Torringtonabout 27 mi east
- Cheyennenearest city, about 67 mi south
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Questions about Grayrocks Reservoir
What fish are in Grayrocks Reservoir?
Lakes like Grayrocks Reservoir usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Grayrocks 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 Grayrocks Reservoir?
About 3,350 acres, with about 18.3 miles of shoreline.
What town is near Grayrocks Reservoir?
Guernsey is about 6.8 miles north; Wheatland is about 9.1 miles southwest.
What is the water temperature at Grayrocks Reservoir today?
The surface was about 54°F on the latest clear reading. The page updates every day.
Grayrocks Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
