Download River Tubing Waiver here We need one waiver per participant. Participants under the age of 18 will have a parent or guardian sign for them. Download Madison River Tubing Brochure Download for reference or to share. Download Montana Whitewater Brochure Want more info on what else we offer? Download Yellowstone Zipline Brochure Yellowstone Zipline fun guided aerial adventures. Download Yellowstone Fishing Brochure Fish the blue ribbon waters of Montana.