[1] The lake is fully part of Portneuf Regional Natural Park.
[3][4] As exceptional natural site, the Long Lake cliff, with a height of 65 to 100 meters, runs along the eastern shore of Long Lake for four km.
[3] In the Portneuf Regional Natural Park, Long and Montauban lakes are recognized for Lake trout fishing, the territory is located in hunting and fishing zone 27 defined by the Ministry of Forests, Wildlife and Parks which ensures the respect for the rules governing hunting and sport fishing.
[7][8] In Long and Montauban Lakes, forage fish or (bait fish) include several individuals, inventory data from the Ministry of Natural Resources and Forests (Quebec) 2012 and CAPSA 2019[11] More than 200 officially named geographic locations bear the name Long Lake.
In indigenous languages the names Kinogami, Kachinukamach, Kachinuwayach, Takiyok also designate them to emphasize their lengthwise extent.