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A cloud bank lit orange over Slim Lake at sunset, reflected across the width of the water

Lake trip · Grant County, Washington

NR

Where to stay at Billy Clapp Lake

Billy Clapp Lake covers 1,010 acres in Grant County and is Not Rated for water quality: clarity is on file, but total phosphorus, total nitrogen, chlorophyll-a, and turbidity are incomplete for a letter. NR is not an F. Compare cabins, resorts, and vacation rentals below. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

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Places to stay near Billy Clapp Lake

Cabins, resorts, hotels, and vacation rentals near Billy Clapp Lake in Grant County, Washington — live availability and prices. Add your dates to see totals.

Top-rated places to stay near Billy Clapp Lake

Prices for Sep 11–13, 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.

About the water

Billy Clapp Lake is Not Rated for water quality. Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored. NR is not an F. Water clarity is about 16.4 ft of visibility. A missing letter is not a reason to skip cabins and rentals around the lake.

See the full Billy Clapp Lake water-quality report →

Best time to visit

Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Check the National Weather Service forecast for Billy Clapp Lake

About Billy Clapp Lake

Surface area
1,010 acres
Max depth
-
Public boat launches
1
Public beaches

Camping & RV near Billy Clapp Lake

Search public campgrounds and RV sites near Billy Clapp Lake on Recreation.gov, then compare cabins, resorts, and rentals on the map above.

Find campgrounds & RV sites on Recreation.gov →

Common questions

Frequently Asked Questions

Cabins, resorts, and vacation rentals around Billy Clapp Lake in Grant County, Washington are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.

Billy Clapp Lake has no water-quality letter. Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored. NR is not an F. That is a gap in the grading record, not a verdict on the water. Always check local health-department advisories before swimming.

Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Guide

LakeQuality Lake Trip Planner (2026)

Free trip-planning guide for Billy Clapp Lake: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.

Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.