Located within the Mastigouche Wildlife Reserve near Saint-Alexis-des-Monts, the Lac Saint-Bernard campground sits at roughly 340 metres elevation and is operated by Sépaq.

It offers approximately 73 unserviced campsites, 16 sites with water service, and 7 seasonal rentals, with gravel pads, picnic tables, and fire pits at each site. One campground loop does not permit pets.

The campground features a supervised sandy beach with a children's play area, hiking trails, and rentals for kayaks, canoes, and mountain bikes.

Facilities include a welcome centre, water stations, two multi-purpose buildings with kitchen shelters, washrooms, changing rooms, and laundry, plus a dumping station. A convenience and souvenir store is also on site.