Washington State Parks · Washington
Alta Lake State Park
Washington State Parks · Washington, United States
- Max RV length
- 38 ft
- Group sites
- Yes
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 1,201 ft
- Dark sky
- Bortle class 1
- Cell coverage
- Verizon weak · T-Mobile good · AT&T good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Alta Lake
- Nearest town
- Pateros
- Address
- 1 B Otto Road
- Phone
- (509) 923-2473
- Activities
- Bird Watching, Boating, Fishing, Hiking, Horseshoe Pits, Metal Detecting, Swimming, Volleyball, Wildlife Viewing
125 numbered sites are mapped one by one - open the site map to pick yours.
About
Alta Lake State Park 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.)
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 36° | 29° | 9° | 51° | 11 of 11 |
| February | 40° | 29° | 2° | 52° | 10 of 11 |
| March | 47° | 33° | 19° | 68° | 9 of 11 |
| April | 54° | 37° | 32° | 76° | 2 of 11 |
| May | 67° | 48° | 38° | 91° | 0 of 11 |
| June | 76° | 53° | 42° | 94° | 0 of 11 |
| July | 89° | 62° | 52° | 103° | 0 of 11 |
| August | 88° | 64° | 55° | 105° | 0 of 11 |
| September | 76° | 57° | 47° | 91° | 0 of 11 |
| October | 59° | 44° | 37° | 73° | 0 of 10 |
| November | 45° | 36° | 20° | 61° | 6 of 10 |
| December | 37° | 31° | 15° | 51° | 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
- Antilon Lake Campground · USDA Forest Service · 11 mi
- Conklin Landing RV Park · City, County & Regional Parks · 12 mi · 16 sites
- Bridgeport Marina RV Park · City, County & Regional Parks · 12 mi · 19 sites
- Poison Creek Campground · USDA Forest Service · 12 mi
- Mitchell Creek Campground · USDA Forest Service · 13 mi
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.