Memorial Day marked the opening of the Los Angeles River Recreation Zone. The Los Angeles River Recreation Program runs from May 26 through September 1 from sunrise to sunset daily during safe conditions. The public can now walk, fish and kayak on two designated stretches of the Los Angeles River–the 2.5 mile Elysian Valley River Recreation Zone and the 2-mile Sepulveda Basin River Recreation Zone. Visiting the river is free but there are also private vendors who offer guided trips at each of the location.
Things you can do in the Recreation Zone:
Guided Tours: L.A. River Kayak Safari–http://www.lariverkayaksafari.org/ and L.A. River Expeditions http://lariverexpeditions.org/
Kayak Rentals: L.A. River Kayaks–http://lariverkayaks.com/