The site Cambior, Route 161, Solbec way, both track and footpath, the 2.5 km course bypasses the lake Héronnière. Interpretive panels demonstrate the impressive restoration of an old copper mine where the fauna and flora have resumed their duties.

With the help of Ducks Unlimited, Cambior restore the site. Tailings were submerged at the bottom of a small lake, protected from the air, they do not form acid. In addition to Ducks Unlimited, Cambior joined the Ornithologists Club Area Asbestos (CORA) and the Council of the environment and the culture of Stratford to achieve an ecotourism project. The pool is surrounded by a hundred birdhouses and 6 km of trails for bird watching.