Park

Thornton A Sullivan Park park

Washington, USA Puget Sound watershed 47.890°, -122.215°
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Thornton A Sullivan Park -- Washington park
Thornton A Sullivan Park Washington · Puget Sound watershed
About this park

Thornton A Sullivan Park

Thornton A Sullivan Park, located in Washington State, offers a variety of reasons to visit, including beautiful natural scenery, recreational activities, and points of interest. With its stunning views, diverse wildlife, and intriguing history, this park attracts visitors throughout the year.

One of the main attractions in Thornton A Sullivan Park is its picturesque setting. Situated on the shores of Silver Lake in Snohomish County, the park offers breathtaking views of the lake and surrounding mountains. Visitors can enjoy the tranquility of the water, go fishing, or simply relax on the lakeside beach.

The park also features extensive recreational opportunities. It offers a variety of walking trails for both casual strolls and more challenging hikes, allowing visitors to explore the park's diverse ecosystems. Some trails meander through lush forests, while others wind along the lake, providing opportunities for birdwatching and wildlife spotting.

One prominent feature of Thornton A Sullivan Park is the Rotary Centennial Water Playground. This interactive water play area is perfect for families, especially during the hot summer months. Kids can cool off and enjoy the numerous water features, including spray nozzles, fountains, and tipping buckets.

Moreover, history enthusiasts will appreciate the historical significance of the park. Thornton A Sullivan Park was named after a prominent businessman and philanthropist in the area, Thornton A. Sullivan, who donated funds to transform the park into its current state. The park's rich history can be explored through interpretive signage, which provides insights into the area's past.

As for the best time to visit Thornton A Sullivan Park, it largely depends on personal preferences and desired activities. Spring and summer are popular for those seeking warm weather and enjoying water-based activities like swimming and boating. Autumn offers stunning foliage, making it an excellent time for hiking and nature photography. Winter transforms the park into a winter wonderland, providing opportunities for snowshoeing and ice fishing.

It is important to note that the accuracy of information provided here should be verified across multiple independent sources to ensure its validity and up-to-date status.
StateWashington
WatershedPuget Sound
Latitude47.8904°
Longitude-122.2151°
Land designation

Park & land designation reference

A quick legend for the federal and state land categories Snoflo tracks. Each designation comes with different rules around access, recreation, and resource extraction.

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 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.
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.
Detailed forecast

Plan your visit down to the hour

Same weather feed Snoflo's iOS app uses -- updated continuously from NOAA / yr.no.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

5-day forecast table

Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Stay nearby

Area campgrounds

Snoflo-tracked campgrounds within reach of Thornton A Sullivan Park, with reservations status.

Around the spot

Plan a longer trip

The closest parks, lakes, fishing spots, and POIs so a park visit can grow into a full weekend.

Responsible recreation & Leave No Trace

Know before you go
Check the operator's site for hours, permit requirements, seasonal closures, and fire restrictions before heading out.
Stay on trail
Stick to marked paths to protect vegetation, prevent erosion, and avoid disturbing wildlife habitat.
Respect wildlife
Observe from a distance, never feed wildlife, and store food securely if camping is permitted on-site.
Pack it in, pack it out
Carry out all trash, food scraps, and gear. Many parks have limited or no trash service.
Leave what you find
Don't take rocks, plants, or artifacts. They make the park what it is for the next visitor.

Set push alerts in the Snoflo app

Save Thornton A Sullivan Park as a favorite, set a custom threshold (precipitation, freezing temperatures, fire-restriction days), and the iOS app will push the moment conditions cross.

FAQ

About Thornton A Sullivan Park

What can I do at Thornton A Sullivan Park?

Most Snoflo-tracked parks support hiking, picnicking, and wildlife viewing. Check the operator's site for activity-specific rules (camping, fishing, paddling, hunting).

How fresh is the weather data?

The hourly forecast updates throughout the day from NOAA / yr.no. Streamflow comes live from USGS streamgauges.

When is the best time to visit?

Use the 15-day temperature & precipitation outlook on this page to plan -- pick a window with comfortable temperatures and low precipitation.

How do I get to Thornton A Sullivan Park?

Tap Directions in the hero above to open driving directions in Google Maps, or Open in map to center the Snoflo interactive map on the park.

Can I get alerts when conditions change?

Yes -- alerts are managed in the Snoflo iOS app. Favorite this park, set a threshold (temperature, precipitation), and you'll get a push the moment it crosses.

More parks

Other parks near here

Snoflo-tracked parks within driving distance of Thornton A Sullivan Park.