Snowbird's Big Mountain Trail is open for biking. 7.5 miles, 3000 vertical feet, and more twists, turns, berms, and jumps than you can shake a stick out. The new Big Mountain Trail starts at the top of the Tram and doesn't stop until you hit the plaza. Come ride it today! The Tram is open for mountain biking from 11 am to 6:30 pm.