Idlewilde by the River Welcomes You. Located in beautiful Estes Park Colorado near Rocky Mountain National Park, Idlewilde by the River offers many different styles of cabins to meet your individual needs. Idlewilde is located on the banks of the Big Thompson River. The sound of rushing river is highly audible throughout the resort during most of the season. With Idlewilde's close proximity to town, there are literally hundreds of specialty shops, galleries, and restaurants for your enjoyment. Wildlife is also abundant at Idlewilde by the River. Want to check out the view from 12,000 feet? Rocky Mountain National Park's west entrance is just 1 mile from Idlewilde. Drive, bike, or hike up the Trail Ridge Road, or if you feel adventurous, try out the Fall River Road and trek over the Continental Divide. At Idlewilde by the River, there's world of hiking, camping, rock climbing, fishing, 4-wheeling, and sightseeing available to you right around the corner.