Jumbo Reservoir State Wildlife Area County Road 95, Julesburg, CO, 80737(970) 842-6300WebsiteOverviewWildlife viewing, camping, boating, fishing and hunting.Related ArticlesHidden Colorado Gem: Never Summer WildernessBeyond Skiing: Winter Activities in Colorado’s State & National ParksColorado's Top Birding Trails: Eastern PlainsColorado Birdwatching: 10 Must-See BirdsRocky Mountain National Park in ColoradoColorado Hidden Gem: Arapaho National Wildlife Refuge