This Colorado State Park Is a Hidden Gem With 15 Scenic Hiking Trails and a River Canyon—and It’s Less Than 1 Hour From Denver #Travel Most visitors to Colorado overlook this beautiful state park.

Most visitors to Colorado overlook this beautiful state park.<div class="media_block"><a href="https://www.travelandleisure.com/thmb/au-taIzM73vMvZearzM9okRMZmE=/filters:no_upscale():max_bytes(150000):strip_icc():format(jpeg)/TAL-castlewood-canyon-state-park-colorado-COHIDDENSTPARK0726-1c74682a20f348c69d6fd170abd9cc65.jpg"><img src="https://www.travelandleisure.com/thmb/au-taIzM73vMvZearzM9okRMZmE=/filters:no_upscale():max_bytes(150000):strip_icc():format(jpeg)/TAL-castlewood-canyon-state-park-colorado-COHIDDENSTPARK0726-1c74682a20f348c69d6fd170abd9cc65.jpg" class="media_thumbnail"></a></div>