Sangre De Cristo Mountains, New Mexico Whitwater Rivers Pecos River Class II-III - 44 miles long (Pecos to Tecolotito) San Miguel County Red River Class IV+ - 14 miles long (Highway 515 to Dunn Bridge) -blank- County Rio Grande Class V - 6 miles long (Chiflo Campground to Little Arsenic Trail) Taos/Rio Arriba County Rio Grande Class II-III - 8 miles long (Red River confluence to John Dunn Bridge) Taos/Rio Arriba County