Lake Osoyoos State Park - United States

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About Lake Osoyoos State Park

RV quick facts for Lake Osoyoos State Park

DetailInformation
Reservation windowReservations through Washington State Parks (parks.wa.gov); book well ahead for summer weekends.
Dump stationDump station available on site for registered campers.
HookupsStandard campsites without hookups; potable water and restrooms available in the campground.
Cell serviceGenerally reliable LTE coverage in Oroville and at the park from major US carriers.
Road restrictionsHighway 97 access is RV friendly; no tunnels or steep mountain passes on the direct approach from the south.
Pass requiredWashington Discover Pass required for day-use vehicle entry; camping fees cover overnight entry.
Border crossingUS/Canada border crossing at Oroville/Osoyoos is minutes north; passports or NEXUS required to continue into BC.

Best time to visit Lake Osoyoos State Park

Late June through early September is the best window for RV travel, with hot, dry Okanogan weather, warm lake temperatures ideal for swimming, and long daylight hours. July and August are peak season, so campground reservations fill early and midweek stays are easier. Late May, early June, and September offer quieter shoulder-season visits with mild days and cool nights. Winters are cold with occasional snow and limited camping services, so most RV travelers plan trips between spring thaw and early fall.

Jan 30 mm
34°F - 21°F

Cold winter conditions; campground typically closed.

Feb 20 mm
41°F - 25°F

Still cold; campground typically closed.

Mar 20 mm
52°F - 30°F

Early spring; campground typically closed until April.

Apr 20 mm
63°F - 37°F

Shoulder season; pleasant daytime temperatures.

May 25 mm
72°F - 45°F

Warming up; lake still cool for swimming.

Jun 25 mm
81°F - 52°F

Strong shoulder-season option for RVers.

Jul 15 mm
90°F - 57°F

Peak season; hot and dry, reserve early.

Aug 15 mm
90°F - 57°F

Peak season; warmest lake temperatures.

Sep 15 mm
77°F - 48°F

Excellent shoulder season; fewer crowds.

Oct 20 mm
61°F - 37°F

Cool fall weather; campground closing for season.

Nov 25 mm
43°F - 28°F

Campground typically closed.

Dec 30 mm
34°F - 23°F

Winter conditions; campground typically closed.

Things to do at Lake Osoyoos State Park

  • Swim at the park beach Easy
    RV parking available

    The park's sandy swimming beach on Osoyoos Lake is the main summer draw. Warm, clean water makes it a family-friendly spot for wading, swimming, and sunbathing within steps of the campground.

  • Boat launch and waterskiing Easy
    RV parking available

    A public boat launch gives direct access to Osoyoos Lake for motorboats, waterskiing, and wakeboarding. The lake is long and relatively narrow, with room to cruise north toward the Canadian border.

  • Fishing on Osoyoos Lake Easy
    RV parking available

    Osoyoos Lake is known for warmwater and coolwater fishing including smallmouth and largemouth bass, perch, kokanee, and rainbow trout. Anglers can fish from shore inside the park or launch small boats to reach deeper water.

  • Paddleboarding and kayaking Easy
    RV parking available

    Calm morning conditions on Osoyoos Lake make it a solid spot for paddleboarding, kayaking, and canoeing. Paddlers can explore the quieter south end of the lake from the park's shoreline.

  • Picnicking and day use Easy
    RV parking available

    Lakefront picnic areas with tables and grills are set beneath shade trees and near the water. The day-use area is a convenient lunch stop for travelers passing through Oroville on Highway 97.

  • Similkameen Trail ride or walk Easy

    The nearby Similkameen Trail follows an old rail corridor out of Oroville toward Enloe Dam. It offers flat, easy walking or cycling with river and canyon views, and trailhead parking in town can accommodate tow vehicles.

  • Okanogan wine and orchard touring Easy

    The park sits in the heart of Washington's northern orchard and wine country. RVers can day-trip to fruit stands, cideries, and wineries along Highway 97 between Oroville, Tonasket, and Omak.

Top Hosts near WA, United States

Christine35 trips - Joined Jul 2020

Wonderful hosts, great communication and spacious! Christine and Mike were very kind and easy to communicate with. They had the RV set up prior to our check in and even set out an outdoor carpet and chairs for us. Everything worked great. Would definitely rent again!

Katie A. - May 2025

The trailer was exactly what was advertised. I will be renting their trailer again

Mike T. - Jul 2024

John35 trips - Joined Jun 2020

The RV was great - had everything we needed!!

Natalia C. - Jul 2025

Living in luxury. Everything was prepared for us and easy to use. John thought of everything to make the stay very easy. 11/10 would absolutely rent again.

Cole W. - Aug 2024

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RV Rentals Lake Osoyoos State Park

Lake Osoyoos State Park, WA, United States

How to get to Lake Osoyoos State Park

The park is on the south end of Osoyoos Lake just off US Highway 97 in Oroville, Washington. From Omak it is roughly a 45 minute drive north on Highway 97, from Wenatchee about 2.5 to 3 hours, and from Spokane approximately 3.5 to 4 hours via Highway 2 and Highway 155. RV drivers coming from the west on Highway 20 should note the North Cascades Highway closes seasonally in winter due to snow, and the route over Washington Pass includes long mountain grades that call for careful braking in heavier rigs. The nearest commercial airports for fly-and-rent trips are Pangborn Memorial (Wenatchee) and Spokane International.

RVezy vs. Traditional RV rental

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