River Mountain Lodge offers all the luxury and convenience of a condominium with the hotel extras to match. This charming, European-style lodge is located in the heart of Breckenridge, directly across the street from the Four Oclock ski run and mere steps from Main Street. Easy access to shopping, dining and skiing makes this one of the most desirable locations in Breckenridge. Check-in is located at 100 South Park Avenue, Breckenridge, CO 80424. Minimum age required at check-in is 21. Daily housekeeping. Check-in is at 4PM. Check-out is at 10AM. Minimum aged required at check-in is 21. Check-in is located at 100 South Park Avenue, Breckenridge, CO 80424. If arriving after hours please contact the office at 1-800-661-7604 for check-in instructions. Breckenridge is a hub for a vast array of recreational activities such as fly fishing, trail hiking, skiing, snowboarding and mountain biking. Enjoy a day shopping on Main Street Plaza or visit Maggie Pond, a popular ice-skating rink in the winter and venue for jazz concerts in the summer.