A total of 47 miles (76 km) of the river, from the Malheur National Forest boundary to Smoky Creek, are classified "recreational" in the National Wild and Scenic River (NWSR) system, created under the Wild and Scenic Rivers Act of 1968, and offer opportunities for hiking, swimming, camping, hunting, and fishing.[7]
^Palmer, Tim (2014). Field Guide to Oregon Rivers. Corvallis: Oregon State University Press. pp. 248–49. ISBN978-0-87071-627-0.
^ ab"USGS 14039500 South Fork John Day Near Dayville, OR". United States Geological Survey. 2008. Retrieved September 4, 2008. Average discharge rate was calculated by adding average annual discharge rates for the four calendar years, 1952–55, for which data was available from the USGS and dividing by 4.