One person was killed and three injured, one critically, in a head-on collision on River Road in Forestville, according to emergency responders and the CHP.
The accident, which initial reports said occurred near the Russian River Pub, involved two vehicles. Several people had to be extricated from their vehicles, according to dispatchers.
The accident was reported just before 7 p.m. and parts of the road remained closed more than 90 minutes later while authorities investigated the crash.
Emergency crews from Forestville, Cal Fire and Russian River responded to the accident, as well as the Sonoma County Sheriff's Office and CHP.