Categories Events April Event: Indian Grinding Rock State Park Post author By admin Post date June 1, 2024 No Comments on April Event: Indian Grinding Rock State Park In April, the boys did a hike at the Indian Grinding Rock State Park in Pine Grove. The site hosts one of the largest concentration of grinding rocks in the state of California. After the hike, we visited the museum to look at the exhibits. ← March Event: Gold Bug Park and Mine → September 2024 Event: Camping at Sly Park Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.