15. A park superintendent may, for educational, recreational, scientific or management purposes, authorize the practice of an activity that is not set out in the list of activities offered in the park, or the practice of an activity that is offered but during a period or in an area other than what is set out in that list, provided that the practice of the activity does not:(1) damage the natural environment;
(2) disturb the peace and quiet of others or endanger their safety;
(3) interfere with wildlife.
A park superintendent may also, for the same purposes, authorize means of admission different from those provided for in the list referred to in section 14 or according to periods or areas different from those indicated in that list.
In a maximum preservation zone, an authorization provided for in this section may be issued by a park superintendent only for scientific or management purposes.