Dallas, Oregon is located in the heart of the Willamette Valley, with a mild and rainy climate typical of the region. The city is situated along the Rickreall Creek, which flows into the Willamette River, and is surrounded by farmland and forests. The hydrology constituents of the area include the Rickreall and Willamette Rivers, as well as several smaller creeks and wetlands. Outdoor recreation opportunities in Dallas include hiking and biking trails, fishing and boating in nearby rivers and lakes, and camping in the surrounding forests. The city also hosts several annual events, such as the Summerfest and Winterfest celebrations, that showcase the community's outdoor and cultural offerings.