The Cherry Creek Trail runs along Cherry Creek, north and south through Parker. Bicycling, hiking, nature walks, and cross-country skiing are all popular uses.
The Rueter–Hess Reservoir is located west of town and is not yet open for recreational use. Nevertheless, planned activities there include fishing, hiking, and non-motorized boating. No natural streams flow into the reservoir, instead water rights owned by the Parker Water and Sanitation District provide water delivered via Cherry Creek and a local canals. If filled to capacity, surface size would be 1,140 acres.
The town currently maintains about 250 acres of developed parkland and more than 900 acres of open space. The Wildlife Experience, now part of CU South Denver, is an art and natural history museum located in Parker.
Parker is also home to the Parker Arts, Culture, & Events Center (PACE). It is a venue that hosts art exhibits, art classes, theater productions, and concerts. It is the official home of the Parker Symphony Orchestra, a community orchestra established in 1994, that offers a full season of orchestra concerts annually. The Parker Symphony was formerly the South Suburban Community Orchestra.