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The Cache la Poudre River is famous for its rapids, and river trips fill fast. It’s wise to book with an outfitter at least two weeks in advance.
A-1 Wildwater Rafting. The state-certified guides of A-1 Wildwater Rafting arrange guided tours on the nearby Poudre and other rivers (Clear Creek, North Platte, Upper Colorado, and the Dolores) as well as daylong and half-day trips for groups. A-1 also rents inflatable rafts for one to two people called "duckies." 2801 N. Shields St., Fort Collins, CO, 80524. 970/224–3379 or 800/369–4165. www.a1wildwater.com.