Where is Olallie Lake?

Olallie Lake is a lake in Jefferson County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.

How deep is Olallie Lake?

Olallie Lake has a maximum depth of 40 feet. The lake covers 195 acres.

Are there boat ramps on Olallie Lake?

Olallie Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Peninsula Campground, Ollalie Lake Resort. Public access is listed as yes.

Can I fish at Olallie Lake?

Olallie Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Oregon's fish and wildlife agency, so check its current regulations before you go.

Are there campgrounds on Olallie Lake?

Olallie Lake has 4 public campgrounds from USGS The National Map within 5 km, including Camp Ten (olallie), Paul Dennis (olallie), Peninsula (olallie), Olallie Lake Guard Station Cabin. 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.

Olallie Lake

Jefferson County, Oregon195 acresView map Directions

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

Max depth

40 ft

Bathymetric survey

Area

195 acres

Surface area

Shoreline

4.3 mi

Measured length

40 ft max depth
Public access

See the measurements Directions Where to stay

Olallie Lake in Jefferson County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Maximum depth: 40 ft. Surface area: 195 acres.

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Olallie Lake is a 195-acre lake in Jefferson County, Oregon with a maximum depth of 40 feet. Limited fish-species data available. Public access is available with 2 public boat landings.

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

What Olallie Lake is good for

From access and monitoring records, not editorial picks.

Boat launch2 documented ramps
Camping4 public campgrounds nearby
Deep water40 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Olallie Lake is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Olallie Lake

These are the measurements Oregon DEQ publishes for Olallie 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 Olallie Lake

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

Lake Details

Max depth

40 ft

Surface area

195 acres

Shoreline

4.3 mi

Public access

Yes

Listed by Oregon DEQ

Recreation & Access

Boat Landings

Yes

Public Access

Campgrounds

Peninsula CampgroundPublic
Ollalie Lake ResortSemi-private

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

Public campgrounds near Olallie Lake

Camp Ten (olallie)0.4 km
Paul Dennis (olallie)0.5 km
Peninsula (olallie)0.8 km
Olallie Lake Guard Station Cabin0.8 kmReserve

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 Olallie Lake

Compare lakeside cabins, hotels, and vacation rentals near Olallie Lake in Jefferson County, Oregon — 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 Olallie Lake

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

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Follow Olallie Lake’s readings

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Fishing Olallie Lake

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

Nearby Lakes in Jefferson County

Monon Lake1 miView →Long Lake1.1 miView →Island Lake2.1 miView →Trout Lake2.6 miView →Harvey Lake—View →Boulder Lake3.1 miView →

Frequently asked questions about Olallie Lake

Where is Olallie Lake?: Olallie Lake is a lake in Jefferson County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Olallie Lake?: Olallie Lake in Jefferson County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Maximum depth: 40 ft. Surface area: 195 acres.
Is Olallie Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Olallie Lake?: Olallie Lake has a maximum depth of 40 feet. The lake covers 195 acres.
Are there boat ramps on Olallie Lake?: Olallie Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Peninsula Campground, Ollalie Lake Resort. Public access is listed as yes.
Can I fish at Olallie Lake?: Olallie Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Oregon's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Olallie Lake?: Olallie Lake has 4 public campgrounds from USGS The National Map within 5 km, including Camp Ten (olallie), Paul Dennis (olallie), Peninsula (olallie), Olallie Lake Guard Station Cabin. 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.