Washington State Parks · Washington

Lewis and Clark Trail State Park (SE Washington)

Washington State Parks · Washington, United States · in Lewis & Clark Trail State Park

Open on the map Drive there Reserve Directions
Season
April 1 to October 31
Group sites
Yes
Drinking water
Yes
Restrooms
Yes
Showers
Yes
Dump station
Yes
Pets
Yes
Elevation
1,398 ft
Dark sky
Bortle class 1
Cell coverage
T-Mobile weak · Verizon weak · AT&T good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Nearest town
Dayton
Address
36149 Hwy 12
Phone
(509) 337-6457
Activities
Bird Watching, Fishing, Hiking, Metal Detecting, Swimming, Wildlife Viewing

26 numbered sites are mapped one by one - the site map below shows each with its facts and pictures.

Site map

26 numbered sites are mapped one by one on the imagery, with the operator's own facts and pictures for each site where it publishes them. Tap a site to rate it, keep a note and add your own photos; press and hold the map for a pin of your own. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.

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About

Lewis and Clark Trail State Park (SE Washington) is a Washington State Park with camping available.

Fees

Washington State Parks' published statewide camping rate schedule varies by season: Standard sites $23-43/night, Partial-utility (water/electric) sites $35-56/night, Full-utility sites $41-56/night, Primitive sites $12/night flat year-round (peak season is May 15-Sept 15, shoulder Apr 1-May 14 & Sept 16-Oct 31, winter is Nov-Mar). Plus a $10/night extra-vehicle fee and an $8 (online) or $10 (phone) reservation fee, with an additional $15/reservation surcharge for non-residents. A Discover Pass is not required for day-use parking once a camping fee has been paid at that park. (Source: parks.wa.gov/passes-permits/fees.)

Washington State Parks' winter schedule says most parks stay open all year with operational changes in winter, parks with campgrounds may close some sites or turn off water, and many offer first-come, first-served winter camping. Reservations run May 15 to September 15 on washington.goingtocamp.com. Standard, non-hookup campsites can accommodate tents or motorhomes. Teepees and group camps are also available. Campground Closes: 11/1/2026. Campground Reopens: *4/1/2027. Camping is first-come, first-served Sept. 15 - Oct. 31 and April 1 - May 15. Teepees are available first-come, first-served from May 1 - May 15 and Sept. 15 - Oct. 1.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January43°29°-7°55°10 of 11
February46°29°-9°61°10 of 11
March52°35°16°69°8 of 11
April58°39°23°75°5 of 11
May66°49°40°91°0 of 11
June76°55°45°92°0 of 11
July90°66°54°101°0 of 11
August88°65°57°103°0 of 11
September76°57°46°90°0 of 11
October64°47°36°79°0 of 10
November51°39°24°67°4 of 10
December42°30°11°62°9 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in Washington · Every state and province · Facts read from the operator 2026-08-23. Confirm fees, rules and current status with the operator before you go.