Lake Stickney Community Park (snohomishcountywa.gov)
Lake Stickney Park is 24.5-acre park that preserves vital habitat at the northern headwaters of Swamp Creek. The park contains diverse forest, wetland, stream, and open-water habitats for fish and wildlife. Amenities include a playground, picnic tables, walking trails, parking, a portable restroom, and a fully-fenced off-leash dog area. Please note that the off-leash dog area is on the north side of the park. It is accessible by park trails or by the separate parking lot just north of the parking area for the playground.- Swamp Creek (Washington) (Wikipedia)
Swamp Creek is a tributary of the Sammamish River in Snohomish and King counties, in the U.S. state of Washington. It is also known as dxʷɬ(ə)q̓ab in Lushootseed, meaning “a wide place”.