Follow the M8 over the Erskine Bridge then take the A82 for Loch Lomond. Past Dumbarton follow the A811 to Gartocharn on the Drymen/Stirling road. In Gartocharn, turn left into Ross Loan and after approximately one mile you will see the gates of Ross Priory leading into a long straight avenue to the house.
From Stirling & the north east
Make for the A809 road. Just past Drymen take the A811 to Balloch, after a few miles make a right turn into Ross Loan, and continue as above.
There is free parking at the Ross Priory car park.