Washington state parks switched to their winter schedule this month.
A list of changes for all Washington state parks is posted at bit.ly/2eVzhUq. About 90 state parks remain open this winter, with 18 closing and some offering reduced services.
The Sacajawea Interpretive Center is closed through March. The Ginkgo Petrified Forest Interpretive Center will be open only by appointment until March. The Goldendale Observatory will be open only 1 to 10 p.m. Friday through Sunday until April.