Tarsan Access Information Posted by dunoonangling on March 11, 2020 Posted in: Loch Tarsan, News. Leave a comment Dear Members……The main double gate at the left hand side of the Col Dam ( small Dam ) is closed NO VEHICULAR ACCESS ALLOWED until further notice. This is due to a problem with the owner SSE. President Davy. Posts navigation ← River Ruel Improvements First day of the season →