Guardian of the Wilderness

The supposedly true story of Galen Clark, the man who created Yosemite Park. In the twilight of his life and regretting that he hasn't accomplished anything significant, Galen decides to travel out west to die in the wilderness. After spending some time in nature, however, he gets his spirits back and decides to make his home there, bringing his daughter and her family out with him. Together, they start a new life in the forest with their animal friends. (imdb)