Event: Spring River Clean-up Ozarks Region Get Directions Calculate Trip Wednesday, May 29, 2013 City: Mammoth Spring Region: Ozarks Building / Point of Interest: Welcome Center Address: Mammoth Spring, AR 72554 Contact: Park Superintendent Phone: 870-625-7364 Email: mammothspring@arkansas.com Event Details: Park staff and volunteers will float a section of the Spring River, do a little trash pickup and have lots of fun. Canoes provided by local outfitter. Not for beginners. Call 870-625-7364 to register and reserve your canoe by May 22. Admission: Free
