KELSEYVILLE, Calif. – Learning how to explain to visitors why Clear Lake may be the oldest lake in North America is part of the program planned for Saturday, April 21, at Clear Lake State Park, 5300 Soda Bay Road, Kelseyville.

The program starts at 1 p.m.

Dr. Harry Lyons of Yuba College will speak about “Clear Lake Geology and Limnology.”

Denise Rist, who is the regional interpretive specialist for the Northern Buttes District of  California State Parks – which includes Clear Lake State Park – will take them on a photo tour of all the parks in the district.

The public is invited to attend the orientation.

Those who have thought about being a volunteer at Clear Lake State Park will have the opportunity to talk with current docents who can explain the activities involved in sharing this wonderful local resource with people from around the world.