Newly Discovered Root Disease to close Twin Arrows Dispersed Recreation Site along the South Fork of the Sacramento River

Redding, CA, June 13, 2024—The Shasta-Trinity National Forest is taking action to combat a new outbreak of Port-Orford-cedar root disease (POCRD) in the Twin Arrows area. The disease, caused by the pathogen Phytophthora lateralis (PL), is considered the most serious threat to Port-Orford-cedar (POC), a species native to a limited area along the Pacific Coast from Coos Bay, Oregon, to the Mad River north of Arcata, California.

The Shasta-Trinity National Forest contains approximately 1,200 acres of POC,…