Home › Top 5 Fitness and Gym in Ketchum, Idaho Find best Fitness and Gym in Ketchum, Idaho, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. HardCore Training Center US, Ketchum, ID 83340200 1st Ave N Zenergy Health Club and Spa US, Ketchum, ID 83340245 Raven Rd High Altitude Fitness US, Ketchum, ID 83340251 Northwood Way # C The Mill SV US, Ketchum, ID 83340231 Sun Valley Rd Private Pilates US, Ketchum, ID 83340780 N Main St