The 2 1/2 hour trip includes all basic equipment and information about environmental protections for the river, widllife, and the river's history.
Tickets for the remaining Summer Kayaking Trips are $60 and can be purchased lariverexpeditions2014.brownpapertickets.com.
If you can't make it on a tour but are still interested in preservation of the river, there will be an L.A. River Clean Up event taking place on Saturday, Aug. 9 from 10:00 AM - 12:00 PM at Marsh Park. There is no registration necessary, volunteers can just show up and start helping out.
Also, heck out larivercorp.com to learn more about L.A. River events year-round.