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The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (upper arm) is open for everyone; the other 5 come with LakeScope PRO. Full screen

Big Sage Reservoir

Modoc County, California · about 4,260 acres (6.7 sq mi)

Caution

50°F water, windy Friday (31 mph S).

Water50°F
Level—no gauge
Wind today13 mphSSW
Best bite3:15 pmto 5:15 pm

About Big Sage Reservoir

In Modoc County, California, Big Sage Reservoir covers about 4,260 acres.

From end to end it runs about 3.7 miles and its shoreline adds up to about 21 miles. The water sits about 4,870 ft above sea level. Alturas lies about 7.6 miles to the southeast.

Size
About 4,260 acres (6.7 sq mi)
Shoreline
About 21 miles
End to end
About 3.7 miles
Elevation
About 4,870 ft
County
Modoc County

The lake from above

1 1 mile N
Spot 1 is open for everyone; grey dots are the PRO spots.

Best fishing times

Saturday Fair

  • 6:15 am – 7:00 amsunrise · wind 10 mph
  • 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 13 mph

Sunday Fair

  • 6:15 am – 8:30 amsunrise · wind 10 mph
  • 4:00 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

Expect the usual California mix for a lake this size: 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 50°F on the surface right now, here is how each one should behave.

  • Fair
    Largemouth bass

    Cooling down. Try slow baits on points and deeper channel edges.

  • Good
    Walleye

    Good cool-water bite, best at dusk and after dark.

  • Fair
    Crappie

    Schooled on deeper brush piles. Fish small jigs slowly.

  • Slow
    Bluegill and sunfish

    Cold. Deep and hard to tempt. Use tiny baits.

  • Fair
    Catfish

    Waking up. Channels and creek mouths, especially after rain.

From today's water temperature and the season. A guide, not a promise.

Fishing spots

  1. 1
    Upper arm

    The lake narrows toward the incoming river or creek; moving water carries food.

  2. 2
  3. 3
  4. 4
  5. 5
  6. 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

50°F

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

Saturday 45° / 32° 13 mph SSW Mostly Cloudy · 47% rain
Sunday 44° / 33° 20 mph SSW Light Rain Likely · 93% rain

Sunrise 6:49 am · sunset 4:43 pm · waxing crescent moon (lake time).

Towns and places to stay near Big Sage Reservoir

  • Alturasabout 7.6 mi southeast

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Questions about Big Sage Reservoir

What fish are in Big Sage Reservoir?

Lakes like Big Sage 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 Big Sage 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 Big Sage Reservoir?

About 4,260 acres, with about 21 miles of shoreline.

What town is near Big Sage Reservoir?

Alturas is about 7.6 miles southeast.

What is the water temperature at Big Sage Reservoir today?

The surface was about 50°F on the latest clear reading. The page updates every day.

Big Sage Reservoir on your phone

The whole week of bite times, lake alerts and the 3-D view, every morning.

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