Aliso Creek (Orange County)
Aliso Creek is a 19. 8-mile -long, mostly urban stream in south Orange County, California. It flows generally southwest and empties into the Pacific Ocean at Laguna Beach. The creek’s watershed drains 34. 9 square miles, and it is joined by seven main tributaries. As of 2018, the watershed had a population of 144,000 divided among seven incorporated cities.
