2.5 hour long zipline tour and an under an hour Twin Zip. The full tour features 10 lines (nine in the winter) and reach speeds up to 20-25 mph. The Twin Zip is 780 feet long and 25+ feet high and is the last zip of the full tour. Disc golf There is a disc golf course starting at the top of Boyne Mountain at Hemlock and ends at the Ski Patrol building. Disc rentals are available at the Adventure Center. Swimming Boyne Mountain has luxurious heated pools and hot tubs at the Clock Tower Lodge and the Mountain Grand Lodge and Spa. All guests staying at the resort have access to the Clock Tower Lodge pool and hot tub. During the summer months, the Dear Lake Beach is open for swimming and beach activities and games. References Boyne Mountain Carnival Weekend (aka Krazy Daze). (n.d.). Retrieved October 20, 2010, from http://www.meetup.com/The-Michigan-Skiing-Meetup-Group/calendar/12071361/ External links Boyne Resorts website Boyne Mountain website Boyne Mountain Ski Area Information on SnowGuide.org Buildings and structures in Charlevoix County, Michigan Ski areas and resorts in Michigan Mountains of Michigan Tourist attractions in Charlevoix County, Michigan Landforms of Charlevoix County, Michigan