East of the City of Porterville the alignment of California State Route 190 follows the Tule River watershed into the Sierra Nevada Mountains. In modern times California State Route 190 east of Porterville climbs south of the Lake Success Reservoir towards Springville. Much of the original alignment of California State Route 190 within the Lake Success Reservoir can still be hiked, especially in drier years. Pictured above is the original alignment of California State Route 190 facing northward along the western shore of Lake Success. Part 1; the history of California State Route 190 through Lake Success The corridor of California State Route 190 ("CA 190") east of Porterville to Springville follows the watershed of the Tule River. The Tule River watershed between Porterville and Springville would emerge as a source of magnesite ore near the turn of the 20th Century. The magnesite ore boom would lead to the development of a modern highway in the Porte...
Because every road has a story.