Yosemite National Park. The Tuolumne cascades through a spectacular Wild and Scenic river canyon offering a true outdoor adventure experience. Our Tuolumne River rafting trips are ideal for first-time campers, as we typically stop for the night at cozy riverside locations. We offer one-day Tuolumne rafting options for those who don’t care to camp, as well as two- and three-day trips from March through early September. Tuolumne River rafting trips are rated Class IV, with one or two rapids reaching Class V during spring runoff periods.