Sun Lakes-Dry Falls State Park - United States

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About Sun Lakes-Dry Falls State Park

RV quick facts for Sun Lakes-Dry Falls State Park

DetailInformation
Max RV lengthUp to 50 ft at select utility sites in the main campground
Full hookupsFull hookup sites available at the park's concession-operated Sun Lakes Park Resort; partial-utility (water/electric) sites in the state park campground
Dump stationOn-site RV dump station available seasonally
Reservation windowReservations through Washington State Parks open up to 9 months in advance
Cell serviceLimited; coverage varies by carrier in the coulee, stronger near the Dry Falls Visitor Center on the rim
Park passDiscover Pass required for day-use vehicle access; included with overnight camping fees
Generator hoursGenerators allowed only during posted quiet-hour exceptions; not permitted overnight
Road restrictionsHighway 17 access is paved and RV-friendly; the descent into the coulee from the Dry Falls overlook involves a graded grade with switchbacks

Best time to visit Sun Lakes-Dry Falls State Park

Late spring through early fall, roughly May through September, is the prime window for RV travel, with warm desert sun, full access to Park Lake's boat launch, and open visitor center hours. July and August deliver the hottest, driest weather and the busiest campground, so reservations fill quickly. Shoulder months like May, June, and September offer cooler temperatures, fewer crowds, and easier site availability. Winter trips are possible but services are limited and overnight temperatures often drop below freezing.

Jan 25 mm
34°F - 21°F

Main campground closed for winter; day-use and Dry Falls Visitor Center area remain accessible.

Feb 18 mm
41°F - 25°F

Campground closed; Dry Falls overlook open for day visits.

Mar 15 mm
52°F - 30°F

Campground typically opens late month, weather permitting.

Apr 15 mm
63°F - 37°F

Spring winds common across the coulee.

May 18 mm
72°F - 45°F

Wildflowers peak; pleasant RV touring weather.

Jun 15 mm
81°F - 52°F

Jul 8 mm
90°F - 57°F

Peak season; reservations fill months ahead and afternoon highs frequently exceed 32 C / 90 F.

Aug 8 mm
88°F - 55°F

Hot and dry; carry extra water and watch for fire restrictions.

Sep 10 mm
77°F - 48°F

Excellent shoulder-season conditions for RV travel.

Oct 18 mm
61°F - 37°F

Campground typically closes mid to late month.

Nov 25 mm
45°F - 28°F

Campground closed; day-use only.

Dec 28 mm
34°F - 23°F

Campground closed; snow and ice possible on park roads.

Things to do at Sun Lakes-Dry Falls State Park

  • Dry Falls Visitor Center and Overlook Easy
    RV parking available

    The Dry Falls Visitor Center is the park's interpretive hub, perched on the canyon rim above the cliff. Interpretive displays tell the story of the Ice Age Floods and their effects on Washington's landscape. Large paved parking accommodates RVs and tow vehicles for a quick stop on Highway 17. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Park Lake Boating and Swimming Easy
    RV parking available

    Park Lake is the park's main recreation hub for motorized boating, swimming, and paddling. It offers a boat launch and a social atmosphere right at the heart of the park. The day-use area near the launch has space for trucks and trailers. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Deep Lake Paddling Easy
    RV parking available

    Deep Lake offers a quieter, more remote on-water experience inside the park. It presents a remote paddling and kayaking experience. A gravel access road leads to a small launch suited to canoes, kayaks, and small trailered boats. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Dry Falls Lake Fishing Moderate

    Dry Falls Lake is a selective-gear trout fishery tucked beneath the cliff. The lure of Dry Falls Lake entices anglers to cast out for trout. A Washington fishing license is required and access is via a graded gravel road into the coulee. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Umatilla Rock and Coulee Hiking Trails Moderate
    RV parking available

    Hiking is one of the park's signature activities across the basalt benches and lake basins. Trails wind through the scented, sage-dotted hills to table-top cliffs with panoramic views. Trailheads near Park Lake have room for tow vehicles, though large motorhomes should park in the day-use lot. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Nine-Hole and Miniature Golf Easy
    RV parking available

    The park is one of the few state parks in Washington with on-site golf. It offers nine-hole and miniature golf for visitors who equate a desert vacation with a good game on the green. Parking near the course accommodates standard tow vehicles. nps.gov/places/sun-lakes-dry-falls-state-park.htm

  • Lake Lenore Caves Side Trip Moderate
    RV parking available

    Just south of the park along Highway 17, Lake Lenore Caves offer a short hike to shelters used by Ice Age peoples. The pullout has a paved lot suitable for trucks and smaller RVs. The trail climbs a basalt slope to several overhang caves with valley views. parks.wa.gov

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RV Rentals Sun Lakes-Dry Falls State Park

Sun Lakes-Dry Falls State Park, WA, United States

How to get to Sun Lakes-Dry Falls State Park

The park entrance is on Highway 17 North near Coulee City, Washington. Spokane is about 100 miles east, roughly a 2 hour drive, and Seattle sits about 230 miles west via I-90 and Highway 17, typically 3.5 to 4.5 hours depending on Snoqualmie Pass conditions. RV drivers crossing the Cascades on I-90 should be prepared for steep mountain grades, chain-up areas in winter, and high winds through the Columbia Basin near Vantage and George. The nearest commercial airport for fly-and-rent travelers is Spokane International Airport (GEG), with Wenatchee's Pangborn Memorial as a smaller alternative.

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