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The Cumbres & Toltec Scenic Railroad train heads toward Chama, New Mexico (near Osier, CO) on the 64 mile run from Antonito, Colorado. The railroad is the highest and longest narrow gauge steam railroad in the United States with a track length of 64 miles. The train traverses the border between Colorado and New Mexico, crossing back and forth between the two states 11 times. The narrow gauge track is 3 feet wide. It runs over 10,015 ft (3,053 m) Cumbres Pass.