The Mad River Byway is a 35 mile foray through the heart of Vermont, passing around or through lovely and lively downtowns, farms, famous ski areas (Sugarbush and Mad River Glen), and historic sites. See the drive virtually in this video. A pleasant walk along the Mad River is accessible via the well-planned, mapped, and landscaped Mad River Path with many access points along the way.The Green Mountain Byway Explore the scenery, recreation, history and culture of Central Vermont’s Green Mountains. Capped by Mount Mansfield (Vermont highest peak) and the Smugglers’ Notch mountain pass, you’ll find something for everyone! Get outside, get going, and celebrate Vermont along the towns and villages of the Green Mountain Byway.