Available locations
- Audubon Society of Portland
- Autumn Ridge Park
- Beacon Hill Wetlands
- Bear Creek/Butler Creek Park
- Beaverton Creek Tributary
- Boring Station Trailhead
- Colonial Heights Presbyterian Church
- Colonial Heights Presbyterian Church - Social Room
- Columbia Slough Water Quality Facility
- Cooper Mountain Nature Park
- Faubian Middle School
- Faubian Middle School
- Faubian Middle School
- Faubian Middle School
- Faubian Middle School
- Faubion Elementary School
- Faubion Elementary School
- Faubion Elementary School
- Howell Territorial Park
- Ibach Park
- Jackson Bottom Wetlands Preserve
- Location provided with registration
- Location TBD
- Lone Fir Pioneer Cemetery
- Luscher Farm
- Metro Regional Center
- Metro's Native Plant Center
- Multnomah County Drainage Districts
- Nature Park Interpretive Center
- Oregon Zoo
- Portland Community College, Sylvania Campus
- Ridgefield National Wildlife Refuge
- Rosa Park / Hazeldale Park
- Sewallcrest Park
- Smith and Bybee Wetlands Natural Area
- Southwest Community Center - Gabriel Park
- Steigerwald Lake National Wildlife Refuge
- Stillwater Conference and Retreat Center
- TrackersNW
- Tryon Creek State Natural Area
- Tualatin River National Wildlife Refuge
- Whitaker Ponds Natural Area
- Willamette Park
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