Per the Acadia NP web site-
Height Restrictions
Plan your route carefully. Many park roads feature historic bridges constructed with lower than conventional clearances. The shortest underpass on Park Loop Road is 11 feet 8 inches (3.56 m). Buses exceeding that height must exit Park Loop Road using Otter Cliff Road at Fabbri Picnic Area. If damage to a bridge overpass occurs, drivers will be cited and the park will seek restitution. Height restrictions are as follows:
Park Loop Road is closed to vehicles taller than 12 feet 2 inches (3.70 m) from Sieur de Monts to Sand Beach Entrance Station.
Park Loop Road is closed to vehicles taller than 12 feet (3.65 m) from Fabbri Picinic Area to Wildwood Stables.
Stanley Brook Road is closed to vehicles taller than 10 feet 4 inches (3.15 m).Fish House Road is closed to vehicles taller than 11 feet 6 inches (3.50 m).
Bob & Dawn Married 34 years
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