From the Crawford Notch Parking area take the Avalon Trail for 1.2 mi.
Take a left (South East) to continue on the Avalon Trail to the summit of Avalon
Continue for 1 mi. past the summit of Avalon on the Avalon Trail and you'll arrive at the summit of Field.
Consider taking the Willey Range Trail 1.5 mi. to Mt. Tom then taking the A-to-Z Trail 2.2 mi. back to Crawford Notch
Most Direct Route: