Police were called around 3.35pm on Saturday, July 25, to assist two male walkers on the Three Sisters route.
It came in the wake of a weekend that saw hundreds of campers descend on Glen Etive, leaving piles of rubbish, with problems also reported on beaches at Morar and Arisaig.
Glenfinnan alone normally sees almost 400,000 visitors annually, with people drawn to see the 1745 monument and the famous viaduct which appeared in the Harry Potter movies.
Councillor Denis Rixson (Caol and Mallaig) said it was perhaps inevitable that as the lockdown was slightly relaxed, a number of people ‘escaped’ to the countryside.
Mr Cameron said that he is contacting Fiona Hyslop, the Cabinet Secretary for the Economy, Fair Work, and Culture, to impress on her the importance of the charity to the region.
A number of staff at National Trust for Scotland staff at Glenfinnan and Glencoe are at risk of redundancy due to the impact of the coronavirus lockdown.
Pleas have been issued for city dwellers to stay away from Lochaber and the rest of the Highlands and not use the area as a bolt hole to self isolate during the coronavirus pandemic.