The Los Angeles River, stretching just over 50 miles from Canoga Park to Long Beach and San Pedro Bay, is a surprising feature for many visitors to our city. Most of its flow is encased in concrete, a measure implemented in the 1930s to prevent flooding. See a Video of The Los Angeles River Here Recent years have seen efforts to open the river for recreation, including a popular bike path through the Glendale Narrows near Griffith Park. However, fishing and swimming are not recommended due to contamination from storm drain runoff. While native fish like steelhead trout and Chinook salmon have been replaced by non-native species, the river’s bird population—including green heron, Muscovy duck, snowy egret, and red-tailed hawk—thrives,









