Alta Lake State Park in Washington, USA - map and visitor information

Research checked: 2026-10-22. Check linked official notices before travel.

Alta Lake State Park near Pateros, Washington, combines a lakeside campground with swimming, fishing and trails where pine-covered slopes meet dry country. Plan around the season: day use, the boat launch and the campground close for winter, and their spring reopening dates differ.

A lake stop between forest and dry hills

• Lake recreation: choose fishing, swimming or paddling during the operating season.
• Overnight options: standard and partial-hookup campsites serve different equipment needs.
• Spring walks: look for seasonal wildflowers and birds around the park.

Match the visit to the season

Fees, hours, and seasonal access

Observe the lake's water-sports window

Waterskiing and personal watercraft use are restricted to 9 a.m.–6 p.m. under the county safety ordinance. These activity hours differ from the park's summer opening hours. Choose your launch and return plan accordingly.

Follow the current fire restrictions

The park has a Level 2 burn restriction. Wood fires are limited to fire pits in designated areas. Gas and propane are allowed; charcoal use can be restricted. Read the park's current alerts before starting a fire. Keep dogs on a leash.

Check the campsite season before booking

Use Washington's authorized reservation service for reservable stays. The winter schedule lists October 1–31 campsites as first come, first served. Confirm which loop is operating rather than assuming a reservation or a map symbol guarantees access. Check the selected site's price and terms before committing to the trip.

Reach the park from the Pateros area

Use 1B Otto Road, Pateros, Washington 98846. Keep the state park destination distinct from other businesses around Alta Lake. Download the official campground map when choosing a site. Confirm the operating loop and water supply with staff for a late-season stay.

Other state parks for the onward drive

• Bridgeport State Park: a separate regional stop near Chief Joseph Dam.
• Daroga State Park: an option along the US 97 corridor near Orondo.

Check seasonal access before adding either park to a trip.

Split time between the lake and shore

The two-mile-long lake supports fishing and water recreation. A swim or paddle can be the main outing; walking trails and picnic areas provide options on land. Volleyball and horseshoe pits offer additional day-use activities.

Kayak and paddleboard rentals operate through the seasonal concession. Its published schedule covers weekends in April and May, then daily service from Memorial Day weekend through Labor Day. Arrange equipment separately for a trip outside that period.

Choose a site that fits your equipment

The campground offers standard and partial-hookup sites, plus two group sites. The listed maximum site length is 38 feet; check the dimensions of the specific site you select. Restrooms, drinking water and a trailer dump station support camping during operation, but water can be shut off late in the season.

The park lists accessible campsites and restrooms. Ask staff about the particular route and facilities you need before arrival. Concession service and rental equipment have their own seasonal schedule.

About Alta Lake's landscape

The park lies where mountain pine forest transitions into drier terrain. The lake, forest edges and seasonal wildflowers create different settings for a shore visit and a walk.

Birdwatching and bear country

Birdwatching is one of the park's activities. Washington State Parks also notes black bears near the lake's outskirts and nearby wildlife areas. A wildlife sighting is never guaranteed.

Alta Lake access and campsite questions

Call 509-923-2473 or email [email protected] for local conditions, seasonal access and site details.