Cottonwoods are the largest trees in Arizona. This video, explaining the cottonwood at length is part of an educational series, by the Friends of the San Pedro River. With the building of the border wall, the future of these trees is in question, as the river flows north.

Learn more about how the cottonwood contributes to the ecosystem and protects the San Pedro Riparian Area in this video from 2014.

Mike Foster, San Pedro River Videos, is an ardent supporter of the Friends of the San Pedro River which serves to educate people about the value of the San Pedro Riparian National Conservation Area (SPRNCA). Please visit the site at: http://www.sanpedroriver.org and Friends of the San Pedro River on Facebook to join and learn more about conserving this important ecosystem.