Is the provincial leader in charge of the provincial parks?

Premier (a political leader)

provincial park (a park under the management of a province or territory in Canada)

There are 39 National Parks and more than 300 Provincial Parks in Canada to date.

This depends on the province. The title for such a position could be Premier.

Ontario has more than 300 Provincial Parks. Below are 5 random provincial Parks... Algonquin Provincial Park Arrow Lake Provincial Park Polar Bear Provincial Park Pancake Bay Provincial...