COVID-19 Guidelines for Anderson Marsh State Historic Park

What is open now?

nature_walk_2016-03Anderson Marsh State Historic Park is now open in daylight hours, with parking available for active recreation on the trail system such as hiking, running and bird watching.

Dogs are never allowed on the trails. Please see the FAQ’s for more information about dogs and Anderson Marsh State Historic Park.

Are there any new visitor guidelines?

Yes, please see below:

  • Stay Active: Keep walking, jogging, hiking and biking. Watch for one-way trails.
  • Stay Safer at 6 Feet: Maintain a physical distance of 6 feet or more. Gatherings, picnics and parties are not allowed.
  • Stay Clean: Be prepared. Bring soap/sanitizer and pack out all trash.
  • Stay Covered: Please be sure to wear face coverings when you cannot maintain a safe 6-foot distance from others.

Thank you for your patience and continued support of California State Parks as we work to limit your risk for exposure to COVID-19 in the outdoors.

For more information please call 707.995.2658 or email


Descendants of the Grigsby brothers enjoy a tour of the Ranch House,
built by their Grigsby ancestors in 1855.

Nature walkers taking a photo break on the boardwalk at Cache Creek.

A group of “birders” enjoy a Summer’s morning walk on Cache Creek Trail.

During a Ranch House Tour, former Ranger Tom Nixon explains chamber pots.

Tom Nixon “showing and telling” about the outhouses.

AMIA Volunteers Gae Henry and Henry Bornstein dressed in clothes of the historic period, begin conducting a tour of the Ranch House from the front yard.

Descendants of the Anderson Family in front of the Ranch House after enjoying a tour.

For more information please call 707.995.2658 or email