20 minutes
1.5 miles
From Wortham Fountain, on the Allen Pkwy near Waugh Drive. to Beneath the Waugh Drive overpass.
Wortham Fountain on Allen Parkway east to the new walking/iking bridges near Montrose/Studemont, then back to the Waugh Drive overpass . . . and the bat cave.
The Wortham Fountain--the starting point
Rosemont Bridge--the turnaround
Waugh Bridge--the end point, and the bat colony