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Organized groups after a lakeside summer base camp will find the Hans Jensen Group Camp delivers: fire rings, a picnic shelter, vault toilets, and direct access to two swimming beaches on Lake Sammamish.
Select a month, then check for open campsites
Price
$5 - $45/night
Booking
Reservable
Sites
5 campsites
Season
Year-round
Cell
Unknown
Pets
Very Pet Friendly
Select a month, then check for open campsites
Price
$5 - $45/night
Booking
Reservable
Sites
5 campsites
Season
Year-round
Cell
Unknown
Pets
Very Pet Friendly
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Learn more about alerts →Lake Sammamish State Park
2182 NW Sammamish Road, Issaquah, WA 98027
Organized groups after a lakeside summer base camp will find the Hans Jensen Group Camp delivers: fire rings, a picnic shelter, vault toilets, and direct access to two swimming beaches on Lake Sammamish.
Individual or family tent and RV camping isn't available here at all. Sunny summer weekends also bring parking gridlock and goose-dropped lawns that make finding a clean picnic spot genuinely difficult.
Availability, what to pack, similar spots — ask anything and get an instant answer.
Summer delivers the warmest conditions for lake recreation. Daytime highs reach 70–85°F from June through August, with water temps peaking in July and August. This is peak season for swimming, paddleboarding, and boating, but sunny weekends draw heavy crowds. Arrive early or visit weekdays for easier parking and beach access. Late summer occasionally brings algae advisories, so check the WA Department of Health website before planning a swim. Spring and fall offer quieter visits with cooler air and water. Winter is open for hardy group campers.
Peak season: warm weather, best water temps and full beach/boating activity; also busiest.
Reservation tips, booking windows, and free cancellation alerts.
Park day-use amenities include restrooms (accessible restrooms listed), drinking water, picnic tables and shelters (some reservable), grills, playgrounds, ball fields, volleyball and soccer fields, paved parking and electric vehicle charging. Boating amenities include a boat ramp, dock, pumpout and an on-site trailer dump; there is an automated pay station and park ranger presence. The Hans Jensen Group Camp (the park's only camping facility) includes a picnic shelter, tables, multiple fire rings and vault toilets.
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