Park Hours for 2020 (Subject to Change):
Closed until further notice. Please Call 206-316-3019 for more information.
Mud Mountain Dam observes the following federal holidays:
Monday, January 20 (Martin Luther King Day)
Monday, February 17 (Presidents' Day)
Monday, October 12 (Columbus Day)
Wednesday, November 11 (Veterans Day)
Thursday, November 26 (Thanksgiving)
Friday, December 25 (Christmas)
Wading Pool Approximate Open Dates (Subject to Change):
The Wading Pool will remain closed until further notice.