LOCATION-PRESTIGE-ELEGENCE: Dercum's Dash on the mountain is a destination community that is unrivaled in Summit County. Build slope sicein a private Ski-in/ski-out community of Single Family BRAND NEW CUSTOM homes quietly secluded in the National Forest & only steps away from River Run Slopes & Gondola. Highest quality On Trend Legacy Residence in Keystone's most prestigious community. USA Today rated Keystone #1 in 10 BEST ski resorts for families. Options & Upgrades are still available.