Located off of Pleasant Hill Rd at the south edge of Carbondale. This trail allows walkers to escape the hustle and bustle of Carbondale and not even leave town. Our Marberry Arboretum is a total of 24 acres and at one point this space was home to more than 100 genera, 600 species; for a total of over 20,000 plants. NOTE* There are slight changes in elevation. Parts of the trail are adjacent to a PRIVATE pasture.