Beinn Odhar is a Scottish mountain situated at the northern extremity of the Loch Lomond and the Trossachs National Park. It stands four km (2.5 mi) north of Tyndrum, a location with which it has strong ties, being well seen from the village. The mountain lies on the border between Argyll and Bute and Stirling council areas within the Auch and Invermeran estate.