The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Hetch Hetchy Reservoir
Tuolumne County, California · about 1,680 acres (2.6 sq mi)
62°F water, level 3750 ft, windy Friday (15 mph SE).
About Hetch Hetchy Reservoir
Hetch Hetchy Reservoir is a lake in Tuolumne County, California, covering about 1,680 acres.
From end to end it runs about 6.6 miles and its shoreline adds up to about 16.3 miles. Its surface is about 3,780 ft above sea level. The nearest town, Yosemite Valley, is about 13 miles southeast. Merced, the nearest city, is about 58 miles southwest.
- Size
- About 1,680 acres (2.6 sq mi)
- Shoreline
- About 16.3 miles
- End to end
- About 6.6 miles
- Elevation
- About 3,780 ft
- County
- Tuolumne County
The lake from above
Best fishing times
Friday Slow
- 6:00 am – 8:15 am bestsunrise · wind 10 mph
Saturday Good
- 6:00 am – 8:15 amsunrise · wind 0 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 Hetch Hetchy Reservoir in California usually hold largemouth bass, crappie, bluegill and sunfish and catfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 62°F on the surface right now, here is how each one should behave.
- GoodLargemouth bass
Fall feed. They chase baitfish into creeks and coves.
- 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
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
- 6
5 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
7-day trend: not enough daily readings yet.
Latest reading .
Ice
No clear view of the ice yet
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 6:37 am · sunset 4:48 pm · waxing crescent moon (lake time).
Towns and places to stay near Hetch Hetchy Reservoir
- Yosemite Valleyabout 13 mi southeast
- Tuolumne Cityabout 25 mi west
- Twain Harteabout 25 mi west
- Soulsbyvilleabout 26 mi west
- Mercednearest city, about 58 mi southwest
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Questions about Hetch Hetchy Reservoir
What fish are in Hetch Hetchy Reservoir?
Lakes like Hetch Hetchy Reservoir usually hold largemouth bass, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Hetch Hetchy 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 Hetch Hetchy Reservoir?
About 1,680 acres, with about 16.3 miles of shoreline.
What town is near Hetch Hetchy Reservoir?
Yosemite Valley is about 13 miles southeast; Tuolumne City is about 25 miles west.
What is the water temperature at Hetch Hetchy Reservoir today?
The surface was about 62°F on the latest clear reading. The page updates every day.
Hetch Hetchy Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
