Washington State Parks · Washington
Lake Sammamish State Park
Washington State Parks · Washington, United States
- Group sites
- Yes
- Drinking water
- Yes
- Restrooms
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 46 ft
- Dark sky
- Bortle class 5
- Cell coverage
- T-Mobile good · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Nearest town
- Issaquah
- Address
- 2182 NW Sammamish Rd
- Phone
- (425) 455-7010
- Activities
- Biking, Bird Watching, Boating, Fishing, Folk Arts Activities, Geocaching, Hiking, Metal Detecting, Swimming, Volleyball, Wildlife Viewing
Season dates aren't confirmed for this campground yet - opening and closing dates haven't been verified. Check the operator's page or call ahead before you plan a trip.
Site map
The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. 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
Lake Sammamish 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 | 48° | 36° | 20° | 59° | 7 of 11 |
| February | 45° | 34° | 23° | 62° | 9 of 11 |
| March | 51° | 37° | 29° | 71° | 9 of 11 |
| April | 55° | 41° | 30° | 73° | 2 of 11 |
| May | 62° | 49° | 40° | 86° | 0 of 11 |
| June | 66° | 52° | 43° | 87° | 0 of 11 |
| July | 76° | 58° | 50° | 91° | 0 of 11 |
| August | 78° | 60° | 52° | 95° | 0 of 11 |
| September | 68° | 55° | 46° | 90° | 0 of 11 |
| October | 59° | 48° | 38° | 83° | 0 of 10 |
| November | 52° | 42° | 29° | 63° | 3 of 10 |
| December | 46° | 36° | 26° | 59° | 3 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
- Tolt-MacDonald Park and Campground · City, County & Regional Parks · 9 mi
- Saltwater State Park · Washington State Parks · 17 mi
- Kanaskat-Palmer State Park · Washington State Parks · 18 mi
- Blake Island State Park · Washington State Parks · 19 mi
- Game Farm Wilderness Campground · City, County & Regional Parks · 20 mi · 18 sites
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.