Northwest Wildflowers

Wildflower Destinations > Washington Cascades (Central)

Knox Creek/Thorp Mountain

Kittitas County, Washington

Okanogan-Wenatchee National Forest

Fees: none

Activity: hiking

Elevation: 4223'-5768'

Current status (as of 6/3/23): early blooms

Peak wildflower bloom at Knox Creek/Thorp Mountain is typically from early June through July into early August, but there may be some flowers blooming from late May until late August.* (In 2023, things are running a little later than usual.)

Typical year:

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* The dates given on this Web site for each location's blooming season are only estimates and can vary from year to year. Weather conditions in the winter and spring can shift these dates by up to a month, especially in the mountains. For the latest updates, check the Oregon Wildflowers or PortlandHikers Facebook groups, or browse the most recent postings to iNaturalist or Instagram.