The Red Horse Inn is located at:

28 Falmouth Heights Rd.
Falmouth, MA 02540
(see map below) 

From Boston:

Route 24 South to I-495 South to the Bourne Bridge, or Route 3 South to the Sagamore Bridge. Follow the signs to Bourne Rotary.

From New York & Connecticut:

Follow Interstate 95 North through Providence to I-195 East to I-495 South. Take Exit 22A which will put you on Route 25. Follow Route 25 south approximately 8 miles to the Bourne Bridge.

From the Bourne Bridge:

Follow Route 28 South to the end of the divided highway. You will automatically come into a single lane. At the first traffic light turn LEFT onto Jones Road. Go two sets of traffic lights, turn RIGHT. Follow this road approximately one half mile to a fork in the road. On your left hand side you will see Friendly's Ice Cream. Turn LEFT at the fork. The Red Horse Inn is approximately 300 yards down on the left side.