Where is Duncan Reservoir?

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

Are there boat ramps on Duncan Reservoir?

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

Can I fish at Duncan Reservoir?

Duncan Reservoir 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 Oregon's fish and wildlife agency, so check its current regulations before you go.

Are there campgrounds on Duncan Reservoir?

Duncan Reservoir has 1 public campground from USGS The National Map within 5 km, including Duncan Reservoir Campground. 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.

Duncan Reservoir

Lake County, Oregon40 acresView map Directions

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

Area

40 acres

Surface area

Shoreline

1.2 mi

Measured length

Public access

See the measurements Directions Where to stay

Duncan Reservoir in Lake County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 40 acres.

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Duncan Reservoir is a 40-acre lake in Lake County, Oregon. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Duncan Reservoir 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 Duncan Reservoir 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 Duncan Reservoir

These are the measurements Oregon DEQ publishes for Duncan Reservoir, 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 Duncan Reservoir

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

Lake Details

Surface area

40 acres

Shoreline

1.2 mi

Public access

Yes

Listed by Oregon DEQ

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

Recreation & Access

Boat Landings

Yes

Public Access

Campgrounds

Duncan ReservoirPublic

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

Public campgrounds near Duncan Reservoir

Duncan Reservoir Campground0.3 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 Duncan Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Duncan Reservoir in Lake 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 Duncan Reservoir

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.

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Follow Duncan Reservoir’s readings

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Fishing Duncan Reservoir

→ Duncan Reservoir fishing regulations (limits, seasons, special rules)

Nearby Lakes in Lake County

Silver Lake3.7 miView →Foster Lake8.5 miView →Thorn Lake7.5 miView →Silver Creek Reservoir6.7 miView →Bottomless Lake9.6 miView →Thompson Reservoir—View →

Frequently asked questions about Duncan Reservoir

Where is Duncan Reservoir?: Duncan Reservoir is a lake in Lake County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Duncan Reservoir?: Duncan Reservoir in Lake County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 40 acres.
Is Duncan Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Duncan Reservoir?: Duncan Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Duncan Reservoir. Public access is listed as yes.
Can I fish at Duncan Reservoir?: Duncan Reservoir 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 Oregon's fish and wildlife agency, so check its current regulations before you go.
Are there campgrounds on Duncan Reservoir?: Duncan Reservoir has 1 public campground from USGS The National Map within 5 km, including Duncan Reservoir Campground. 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.