In Algonquin Park, my uncle discovered roads open to the public that penetrate the park for access to the innermost camping locations and access points (ie: Achray Road, which originates from Barron Canyon Road, and then passes Achray, Algonquin Observatory and then Lake Traverse). Such inner roads befitted, benefitted, and satisfied my grandparents who cannot hikewho cannot hike.
Except Algonquin, which other provincial parks in Ontario (please include the non-operating ones) contain such inner roads?