Wading pools and spray parks at Beacon Mountain Spraypark (Jefferson Park) — hours & season
Beacon Mountain Spraypark (Jefferson Park): 4AM-11:30PM.
Jefferson Park is a 52.4-acre Seattle park established in 1898 and designed by the Olmsted Brothers, offering excellent views of the Duwamish River, downtown Seattle, Olympic Mountains, and Puget Sound. Beacon Mountain is a creative play area within the park featuring splash pads, zip lines, climbing structures, and interactive educational elements about Cascade peaks.
Sources: web research
Details
- Address
- 3801 Beacon Ave S, Seattle, WA 98108
- Hours
- 4AM-11:30PM
- Parking
- Two accessible parking stalls and accessible ramp off 16th Ave S under construction (Spring 2025 - Summer 2025)
- Notes
- Restrooms have warm water; some picnic areas are covered; park was requisitioned by U.S. Army during WWII and used as G.I. recreation center with anti-aircraft batteries; old reservoir was covered over 2008-2009 (supported by 624 columns) to create additional park space
Common questions
- When is Beacon Mountain Spraypark (Jefferson Park) open?
- Beacon Mountain Spraypark (Jefferson Park) is open 4AM-11:30PM.
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