Big Salmon 4 is a backcountry campsite located on the south shore of Big Salmon Lake in Frontenac Provincial Park. Part of a cluster of four sites in this area, it features a sandy shoreline with shallow water. Frontenac Provincial Park operates year-round, offering access to canoe routes across 22 lakes and more than 100 kilometres of looped hiking and backpacking trails. This interior site provides a wilderness camping experience for paddlers and hikers exploring Ontario's diverse backcountry landscape. Reservations and current information can be obtained through Frontenac Provincial Park.