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Taos Box Rio Grande, New Mexico — 1540 Coronado Expedition, 1968 Wild/Scenic, 2013 Rio Grande del Norte NM 243,000 ac. Wild & Scenic waters carve the Rio Grande del Norte National Monument into 17 miles of continuous Class III-IV drops through basalt canyon walls that rise 800 feet from the riverbed. The Taos Box runs from John Dunn Bridge to Taos Junction Bridge at an average 1,100 CFS, with optimal flows between 800-3,000 CFS on gauge 08276500. The upper five miles to Manby Hot Springs offer Class III water and the first taste of the gorge, plus natural hot springs accessible from the river. The middle section from Manby to Big Arsenic pushes Class III-IV through the deepest canyon walls, where the basalt narrows and the gradient steepens. The final six miles ease back to Class III as the canyon widens toward the takeout. Commercial outfitters Far Flung Adventures and New Mexico River Adventures run regular trips, but private boaters with Class IV skills can navigate the technical drops and tight lines that define this desert run. Spring snowmelt typically provides the best water levels, though summer monsoons can bring surprise flows to this high desert drainage.
River conditions are community-verified. CFS ranges, difficulty ratings, and access points may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level.