Tilson Lake Campsite is a backcountry campsite located within the park near Rossburn, Manitoba, accessible via the Tilson Lake Trail. It sits at Tilson Lake and is reached by crossing a beaver dam just before the site.

The campsite accommodates a few tents — the maximum is 2 tents and 6 people — and features several distinct tent spots near the water, a bear box for food storage, and a privy with a seat. Reservations are required through Parks Canada's reservation system.

The surrounding trail system connects Tilson Lake Camp to other backcountry sites including Birdtail Camp and Gunn Creek Camp.

The section of trail approaching Tilson Lake is considered more heavily travelled, and conditions can be challenging during wet periods or when insects are heavy.