The headline walk for most visitors is The Cobbler. It is the route many people already have in mind before they arrive, and staying nearby makes it much easier to enjoy.
Beyond that, the Arrochar Alps give you a wider choice of stronger hill days if you want to stay longer or return for another trip.
For slower days, lochside stops, Tarbet Pier and the surrounding scenery keep the trip feeling varied rather than all go, all the time.
The sweet spot for many guests is simple: one big walk, one scenic day and a cottage base that lets the whole break feel relaxed.