Capitol Lake trails may be used during park hours:
- Summer (April 1 - October 31) 7 a.m. - 9 p.m.
- Winter (November 1 - March 31) 7 a.m. - 7 p.m.
The lake is closed to all public use (e.g., swimming, boating, fishing, wading, etc.) due to New Zealand mudsnails.
Parking is available at 501 5th Avenue SW, Olympia.
Seasonal information: Stickleback life cycle
Each June and July, small stickleback fish return to Capitol Lake and die shortly after successfully spawning.
This natural phenomenon is not related to lake oxygen levels or contamination issues.