Location, location, location. Silver Mill is just steps away from the gondola, countless retail shops, restaurants and year-round festivities. this unique building is modeled after an authentic gold mine and brings a touch of the old-to River Run Village. Families will love the easy access to ice skating, inner-tubing, night skiing and the on-site pool table and game room. Additional amenities include access to three on-site hot tubs and a nearby community pool. Check-in is located at 70 River Run Rd., Keystone, CO. Check-in is at 4pm. Check-out is at 10am. Minimum age required at check-in is 25. Check-in is located at 70 River Run Rd., Keystone, CO. Office is open from 8am-6pm daily. If arriving after hours please contact office at 1-866-874-8483. Office is open from 8am-6pm daily. Keystone is a skiers paradise and a vibrant summer vacation destination. Imagine a day filled with skiing perfectly groomed slopes or exploring the Keystone back country on a snowboard. Picture that day unfolding into an evening spent relaxing by a cozy fireplace in the heart of Keystone Village.