Mount Si High School 1972 Tenas Coma

Summer Hours:
April Through October
1pm to 5pm
Saturdays through Tuesdays.

Winter Hours:
November through March
1pm to 5pm
Mondays and Tuesdays

The Museum is closed on Federal Holidays, including: Martin Luther King Day, Presidents Day, Easter, Memorial Day, Mothers Day, Fathers Day, Juneteenth National Independence Day, Independence Day, Labor Day, Indigenous Peoples Day, Thanksgiving, Veterans Day, Christmas and New Years.