Knox Creek/Thorp Mountain
Kittitas County, Washington
Okanogan-Wenatchee National Forest
Elevation: 4223'-5768' Activity: hiking
Peak wildflower bloom at Knox Creek/Thorp Mountain is typically from early June through early August, but there may be some flowers blooming from late May until late August.*
Mason Lake/Mount Defiance
King County, Washington
Mt. Baker-Snoqualmie National Forest
Elevation: 2180'-5584' Activity: hiking
Peak wildflower bloom at Mason Lake/Mt. Defiance is typically from mid-June through the end of July, but there may be some flowers blooming from late May until late August.*
Snoqualmie Pass/Snow Lake
King County, Washington
Mt. Baker-Snoqualmie National Forest
Elevation: 3140'-4400' Activity: hiking
Peak wildflower bloom at Snoqualmie Pass/Snow Lake is typically from early July through mid-August, but there may be some flowers blooming from early June until early September.*
Snoqualmie Summit/Lodge Lake
King County, Washington
Mt. Baker-Snoqualmie National Forest
Elevation: 3020'-3450' Activity: hiking
Peak wildflower bloom at Snoqualmie Summit/Lodge Lake is typically from early July through mid-August, but there may be some flowers blooming from early June until early September.*
* 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.