The Harvard Flea Market is held on the grounds of the Bromfield School, near the center of Harvard, on Route 111.
From Route 2 east or west:
Take Exit 38A (marked Harvard/Worcester, Route 111 south). Follow Route 111 south for about two miles to Harvard's center. Continue through the light to the Bromfield School, which will be on the right.
From Route I-495 north or south:
Take Exit 28, Route 111 (marked Harvard/Boxborough). Follow Route 111 north for about two miles toward Harvard's center. The Bromfield School will be on the left.