Grass River Natural Area Route: Cottage Drive Park to Clam Lake DNR Access Route overview: Intermediate Level 7 Miles 3 Hours Estimated Time By Deana Jerdee, Executive Director To celebrate my birthday this year, my entire family, including my mom and my sister’s family, decided to enjoy an adventure on the Chain of Lakes. We loaded up our trailer full of nine boats and headed to Cottage Drive Park on… Read More »