The San Gorgonio River is a 26.8-mile-long river primarily flowing in western Riverside County, with a small upstream section in southwestern San Bernardino County, in southern California.
Aerial view of the river departing the San Bernardino Mountains
The source or headwater of a river or stream is the geographical point of its beginning, specifically where surface runoff water begins to accumulate into a flowing channel of water. A river or stream
River Wey near its source at Farringdon, England
A stone near Crissolo, Italy, is inscribed, "Here is born the Po".
Rhume Spring is the source of the Rhume river.