The Mint starts life at Whelpside at the confluence of Bannisdale Beck, running south-east from Bannisdale Head, and a smaller stream draining a group of small valleys from headwaters in The Forest, Combs Hollow and Mabbin Crag.
The Mint's source is situated at Whelpside, where the confluence of Bannisdale Beck and a smaller stream occurs, both originating from the headwaters of valleys in The Forest, Combs Hollow, and Mabbin Crag.