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
Thermalito Afterbay
Butte County, California · about 3,100 acres (4.8 sq mi)
62°F water, windy Friday (21 mph S).
About Thermalito Afterbay
Thermalito Afterbay is a lake in Butte County, California, covering about 3,100 acres.
From end to end it runs about 4 miles with roughly 27 miles of shoreline. Its surface is about 130 ft above sea level. Biggs is about 3 miles south. Chico, the nearest city, is about 17 miles northwest.
- Size
- About 3,100 acres (4.8 sq mi)
- Shoreline
- About 27 miles
- End to end
- About 4 miles
- Elevation
- About 130 ft
- County
- Butte County
The lake from above
Best fishing times
Friday Slow
- 6:15 am – 7:00 amsunrise
- 4:00 pm – 4:45 pm bestsunset, moon overhead · wind 9 mph
Saturday Good
- 6:15 am – 8:30 amsunrise · wind 8 mph
- 3:15 pm – 5:30 pm bestsunset, moon overhead · wind 5 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 Thermalito Afterbay in California 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. With the surface at 62°F, the notes below say which of them should be biting.
- GoodLargemouth bass
Fall feed. They chase baitfish into creeks and coves.
- GoodWalleye
Prime range. Low light is best, on reefs and weed edges.
- GoodCrappie
Active. Brush piles and docks in 8 to 15 ft.
- FairBluegill and sunfish
Warming. Shallow, sunny pockets in the afternoon.
- 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 6:48 am · sunset 4:52 pm · waxing crescent moon (lake time).
Towns and places to stay near Thermalito Afterbay
- Biggsabout 3 mi south
- Thermalitoabout 3.6 mi northeast
- Orovilleabout 5.2 mi east
- South Orovilleabout 5.3 mi east
- Chiconearest city, about 17 mi northwest
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Questions about Thermalito Afterbay
What fish are in Thermalito Afterbay?
Lakes like Thermalito Afterbay 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 Thermalito Afterbay?
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 Thermalito Afterbay?
About 3,100 acres, with about 27 miles of shoreline.
What town is near Thermalito Afterbay?
Biggs is about 3 miles south; Thermalito is about 3.6 miles northeast.
What is the water temperature at Thermalito Afterbay today?
The surface was about 62°F on the latest clear reading. The page updates every day.
Thermalito Afterbay on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
