Sammamish River Regional Park

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Last Updated: December 5, 2025

Sammamish River Regional Park is a beautiful destination located in King County, Washington, known for its scenic landscapes and recreational activities.


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Summary

Here is a summary of the park, including reasons to visit, points of interest, interesting facts, and the best time of year to plan your visit.

Reasons to Visit:
1. Natural Beauty: The park offers stunning views of the Sammamish River, surrounded by lush greenery, wetlands, and idyllic forests. It provides an escape from the busy city life, allowing visitors to reconnect with nature.
2. Recreational Activities: The park offers a variety of outdoor activities, such as hiking, biking, jogging, and horseback riding. There are well-maintained trails and paths suitable for all skill levels.
3. Wildlife Watching: Sammamish River is home to diverse wildlife, including various bird species, beavers, squirrels, and occasionally otters. Birdwatchers will have the opportunity to spot great blue herons, bald eagles, and many other avian species.
4. Picnic Areas: The park features numerous picnic areas, perfect for enjoying a relaxed meal surrounded by nature. Some locations have shelters and barbeque facilities, making it an ideal spot for family gatherings.

Points of Interest:
1. Sammamish River Trail: This 10.9-mile paved trail runs through the park and offers picturesque views of the river and its surroundings. It is popular among cyclists, joggers, and walkers.
2. Viewing Platforms: The park has several viewing platforms strategically placed along the riverbank, providing visitors with an opportunity to observe the natural ecosystem and spot wildlife.
3. Marymoor Park: Located adjacent to Sammamish River Regional Park, Marymoor Park is a large recreational area with sports fields, a velodrome, a rock climbing wall, and a summer concert venue. It offers additional activities for visitors to enjoy.

Interesting Facts:
1. The park covers approximately 535 acres and is managed by King County Parks.
2. The Sammamish River flows through the park and connects Lake Sammamish to Lake Washington.
3. The park's ecosystem supports a diverse range of plant and animal species, contributing to the region's biodiversity.

Best Time to Visit:
The best time to visit Sammamish River Regional Park is during the spring and summer months (April to September) when the weather is pleasant, and the park is at its liveliest. During this time, the trees and flowers are in bloom, and wildlife activity is more prevalent. It is advisable to check local weather conditions and trail closures before planning your visit.

Please note that the provided information has been compiled based on research from multiple independent sources, and it is always recommended to verify details and check for updates from official park sources before planning your visit.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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