Lake Sammamish State Park
Lake Sammamish State Park is a popular day-use park on the south shore of Lake Sammamish, offering sandy beaches, swimming, boating access, and large picnic areas. The park is a favorite for family outings, birdwatching, and summer recreation near the Seattle metro area.
Discover Pass required
Visiting with Dogs
Dogs allowed on leash in designated areas; keep pets under control, clean up waste, and follow posted restrictions.
Visitor Tips & Reviews
What Visitors Say
Popular family-friendly lake park with sandy beaches, swimming, picnicking, trails, and playgrounds. Visitors love the scenic views, easy access, and relaxed atmosphere, though crowds and parking can be challenging.
Tips from Visitors
- Arrive early on sunny weekends; parking fills quickly.
- Bring swim gear for the beach and water activities.
- Pack sunscreen, hats, and plenty of drinking water.
- Use designated trails and stay off sensitive shoreline areas.
- Keep pets leashed and clean up after them.
- Check seasonal hours and closures before visiting.
Best Time to Visit
The best time to visit Lake Sammamish State Park is late spring through early fall, when warm weather makes the beaches, picnic areas, and boat launch most enjoyable. Summer weekends are busiest, while weekday mornings are quieter.
Amenities
Nearby Attractions
Explore these attractions near Lake Sammamish State Park:
- Downtown IssaquahA walkable historic district with restaurants, shops, and local events, offering a convenient stop before or after a park visit.3 miles away
- Gilman VillageA shopping and dining area in Issaquah with local businesses and casual eateries, useful for visitors planning a full day out.4 miles away
- Cougar Mountain Regional Wildland ParkA large nearby natural area with forested trails and viewpoints, popular for hiking and wildlife viewing.7 miles away
Things to Do at Lake Sammamish State Park
Camping at Lake Sammamish State Park
Lake Sammamish State Park does not offer camping. Nearby state parks with camping include Saint Edward, Tolt-MacDonald, and Saltwater.
Hiking Trails
Lake Sammamish State Park offers easy, scenic day hiking with mostly flat, well-maintained trails that are great for families, beginners, and casual walkers. Visitors often enjoy the lake views, wetlands, birdwatching, and peaceful forested sections. Trails can be busy on sunny weekends, but the park is a pleasant spot for a relaxed hike close to the water.
East Lake Sammamish Trail (park access segment)
EasyA mostly flat paved trail along the eastern edge of Lake Sammamish State Park with lake views, birdwatching, and access to park amenities.
Tibbets Beach Loop
EasyA short, scenic loop around the Tibbets Beach area featuring shoreline views, picnic areas, and gentle paths suitable for families.
Lake Sammamish Shoreline Walk
EasyA relaxed shoreline walk through the park’s open spaces and wooded sections, ideal for a casual outing and wildlife viewing.
Park Perimeter Connector Walk
EasyA longer connector-style walk linking parking areas, beaches, and picnic spots with mostly level terrain and lake access points.
Directions
From I-90, take Exit 15 for WA-900/Issaquah. Head north on 17th Ave NW, then turn west onto NW Sammamish Road. Follow signs to the park entrance near the lake.
Contact & Info
Frequently Asked Questions
Is Lake Sammamish State Park good for swimming?
Yes. Visitors often enjoy the sandy beach and shallow water near the shore, especially in summer. Conditions can vary, so check for water quality updates and be aware that the beach can get crowded on warm weekends.
Can I bring my dog to Lake Sammamish State Park?
Dogs are allowed in many outdoor areas but must be leashed. They are not allowed on the swimming beach. Many visitors mention it’s a nice place for a walk with pets, as long as you follow leash and cleanup rules.
Is there parking at Lake Sammamish State Park?
Yes, but parking can fill up quickly on sunny days and weekends. Visitors often recommend arriving early. Some areas may have separate parking for day-use activities, so plan ahead if you’re visiting during peak season.
Are there picnic areas and restrooms available?
Yes. The park has picnic areas, tables, and restrooms, which many visitors find convenient for family outings. Amenities may be busier during peak times, so it’s a good idea to bring supplies and expect some crowds.
Can I launch a kayak or paddleboard there?
Yes. The lake is popular for kayaking, paddleboarding, and other non-motorized boating. Reviewers often note calm water and easy access, though wind and boat traffic can affect conditions. Bring your own gear, as rentals may not always be available.
What is the best time to visit Lake Sammamish State Park?
Many visitors prefer late spring through early fall for swimming, paddling, and picnicking. Mornings and weekdays are usually less crowded. Summer weekends can be busy, so arriving early helps with parking and finding a good spot.
Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
View Gear Checklist →