Black Sandy State Park
"Boulder is within range for a longer day trip to the Helena area. Visitors may combine a stop at the park with errands or sightseeing in the capital region."
A scenic day-use park on Hauser Reservoir offering swimming, boating, fishing, and picnicking near Helena.
Cherry Creek State Park
"Boulder visitors come for a different kind of Front Range experience, centered on water recreation and wildlife viewing. It is a worthwhile day trip for those seeking a broad urban-state-park setting."
A popular Denver-area state park known for its reservoir, beaches, boating, and wildlife.
Spring Meadow Lake State Park
"Boulder visitors can reach the park in under an hour for a change of scenery. It is a convenient place for swimming, picnicking, and a casual walk around the lake."
A spring-fed urban lake park in Helena offering swimming, paddling, fishing, and picnic areas.
Boyd Lake State Park
"Boulder visitors come for a change of pace from the foothills, trading mountain trails for open-water recreation. Boyd Lake offers a convenient spot for swimming, fishing, and camping within an easy drive."
A lakeside state park in Loveland offering boating, fishing, swimming, and camping.
Jackson Lake State Park
"Boulder visitors may choose Jackson Lake for boating and birding in a wide-open landscape. It provides a different experience from the mountain parks closer to Boulder."
A prairie reservoir park offering boating, fishing, swimming, camping, and wildlife viewing.