MAD Adventures Share: Rafting MAD Adventures Visit Website 1421 E Park Ave *For Upper Colorado Trips Kremmling, CO 80459 (970) 726-5290 Facebook Hours: We offer raft trips daily from Memorial Day to Labor Day on the Upper Colorado River and Clear Creek About Map About MAD Adventures, est. 1984, loves our rivers and sharing that passion with our customers! From Mild to Wild we have the right trip for you! Call us today, we look forward to seeing you on the river! What's Nearby? Distance: 5 10 15 20 25 50 mi.