Where is Wilderness Lake?

Wilderness Lake is a lake in King County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

How deep is Wilderness Lake?

Wilderness Lake has a maximum depth of 36 feet. The lake covers 66 acres.

Are there boat ramps on Wilderness Lake?

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

Can I fish at Wilderness Lake?

Wilderness 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 Washington's fish and wildlife agency, so check its current regulations before you go.

Wilderness Lake

King County, Washington66 acresView map Directions

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

Max depth

36 ft

Bathymetric survey

Area

66 acres

Surface area

Shoreline

1.7 mi

Measured length

Impaired · Nuisance exotic species
36 ft max depth
Public access

See the measurements Directions Where to stay

Wilderness Lake in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 36 ft. Surface area: 66 acres.

Loading map…

Wilderness Lake is a 66-acre lake in King County, Washington with a maximum depth of 36 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.

What Wilderness Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water36 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Wilderness Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.

Whether Wilderness Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Wilderness Lake →

Water quality measurements for Wilderness Lake

These are the measurements Washington Ecology publishes for Wilderness 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 Wilderness Lake

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

Lake Details

Max depth

36 ft

Surface area

66 acres

Shoreline

1.7 mi

Public access

Yes

Listed by Washington Ecology

Recreation & Access

Boat Landings

Yes

Public Access

Wilderness LakePublic

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

Stays via Stay22

Stays near Wilderness Lake

Compare lakeside cabins, hotels, and vacation rentals near Wilderness Lake in King County, Washington — 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 Wilderness 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.

Planning a whole trip? See where to stay at Washington’s top lakes →

Follow Wilderness Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Wilderness Lake

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

EPA Impairment Status

Wilderness Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 4C).

Causes of impairment

Nuisance exotic species

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit WA17110013002023_001_001 · Official waterbody report

Nearby Lakes in King County

Pipe Lake1.4 miView →Lake Sawyer2.9 miView →Shadow Lake3.3 miView →Keevie Lake4.4 miView →Lake Morton4.2 miView →Mud Lake4.4 miView →

Frequently asked questions about Wilderness Lake

Where is Wilderness Lake?: Wilderness Lake is a lake in King County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Wilderness Lake?: Wilderness Lake in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 36 ft. Surface area: 66 acres.
Is Wilderness Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Wilderness Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
How deep is Wilderness Lake?: Wilderness Lake has a maximum depth of 36 feet. The lake covers 66 acres.
Are there boat ramps on Wilderness Lake?: Wilderness Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Wilderness Lake. Public access is listed as yes.
Can I fish at Wilderness Lake?: Wilderness 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 Washington's fish and wildlife agency, so check its current regulations before you go.