Creekside parks include Johnson Creek Park, about of natural areas and paths; the Crystal Springs Rhododendron Garden, along Crystal Springs Creek; Tideman Johnson Natural Area, about of natural areas and paths; Leach Botanical Garden, about , a public garden dedicated to the study of botany and horticulture with an emphasis on plants of the Pacific Northwest; Beggars Tick Wildlife Refuge, a wetland of ; Powell Butte Nature Park, about on an extinct cinder cone volcano, including natural areas and hiking, biking, and equestrian trails; and Gresham's Main City Park, about including sports fields, picnic areas, and trails.