Oregon Nature Festivals
Seasonal festivals and wildlife events in Oregon — tied to the same ecological rhythms this calendar tracks.
Hoyt Arboretum Spring Equinox Walk
A guided walk through Portland's free botanical garden and tree museum at the moment of astronomical spring, exploring themes of balance, symbolism, and renewal among 12,000 trees beginning their spring flush.
Oregon Spring Whale Watch Week
Oregon State Parks deploys trained volunteer naturalists at 15 coastal viewpoints during spring break — gray whales migrating north, often with calves, at their closest to shore.
Trillium Festival at Tryon Creek
Portland's beloved spring celebration in one of the city's only remaining old-growth forest corridors, featuring western trillium in bloom, a native plant sale by Bosky Dell Natives, and family activities.
Camassia Natural Area
A 25-acre rocky basalt plateau in West Linn preserving an ancient plant community with 300+ species, including vivid camas lily fields and Oregon white oak woodland on geology shaped by the Missoula Floods.
Camas Festival at Linfield University
Annual celebration of the camas flower at Linfield University in partnership with the Confederated Tribes of Grand Ronde, featuring guided tours of the campus camas patch, an Indigenous Creators Marketplace, cultural talks, and art exhibits.
Mount Pisgah Arboretum Wildflower & Music Festival
Now in its 47th year, this beloved single-day festival at Mount Pisgah Arboretum displays over 250 native wildflower species in bloom, with guided nature walks, live music, and local vendors along the banks of the Coast Fork Willamette River.
Mount Pisgah Arboretum Mushroom Festival
Annual celebration of Oregon's state mushroom — the Pacific golden chanterelle — hosted by the Cascade Mycological Society at Eugene's Mount Pisgah Arboretum with walks, displays, and live music.
Oregon Mycological Society Fall Mushroom Show
Annual expert-staffed mushroom exhibit at the World Forestry Center — Pacific Northwest species identified and displayed, with vendors, cooking samples, and foraging guidance.