Blue Lake is a lake in Lassen County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there boat ramps on Blue Lake?

Blue Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Blue Lake. Public access is listed as yes.

Can I fish at Blue Lake?

Blue Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.

Are there campgrounds on Blue Lake?

Blue Lake has 1 public campground from USGS The National Map within 5 km, including Blue Lake. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Blue Lake

Lassen County, California161 acresView map Directions

No nutrient or algae sampling on record from SWRCB for this lake.

Area

161 acres

Surface area

Shoreline

2.1 mi

Measured length

Public access

See the measurements Directions Where to stay

Blue Lake in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 161 acres.

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Blue Lake is a 161-acre lake in Lassen County, California. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Blue Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Camping1 public campground nearby

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Blue Lake is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Blue Lake

These are the measurements SWRCB publishes for Blue Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Blue Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

161 acres

Shoreline

2.1 mi

Public access

Yes

Listed by SWRCB

No bathymetric survey has been published for Blue Lake, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Campgrounds

Blue LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Public campgrounds near Blue Lake

Blue Lake0.7 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Blue Lake

Compare lakeside cabins, hotels, and vacation rentals near Blue Lake in Lassen County, California — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Blue Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Blue Lake’s readings

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Fishing Blue Lake

→ Blue Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Lassen County

Red Rock Lake7.8 miView →Moon Lake7.1 miView →Boot Lake9.1 miView →Mendiboure Reservoir—View →Newland Reservoir11.1 miView →Dodge Reservoir—View →

Frequently asked questions about Blue Lake

Where is Blue Lake?: Blue Lake is a lake in Lassen County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Blue Lake?: Blue Lake in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 161 acres.
Is Blue Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Blue Lake?: Blue Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Blue Lake. Public access is listed as yes.
Can I fish at Blue Lake?: Blue Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Blue Lake?: Blue Lake has 1 public campground from USGS The National Map within 5 km, including Blue Lake. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.