The autumn cavalcade of special events in the East Bay Regional Parks continues Sunday with the Stone Age Olympics and Knap-In at Coyote Hills in Fremont.

From 10 a.m. to 4 p.m. you can try your hand at lots of prehistoric life skills such as dart throwing and fire starting under the guidance of naturalist Dino Labiste. You can also watch skilled knappers turn rocks into functional tools. It all takes place at the park's Dairy Glen campsite.

Coyote Hills is at 8000 Patterson Ranch Road, off Paseo Padre Parkway. The event is free, though parking is $5. For information, call 510-544-3220. Dino also will preside over two ancient skills programs at Coyote Hills on Sept. 28. There's a fire-making clinic from 9:30 a.m. to 12:30 p.m. and an atlatl dart-throwing session from 2 to 4:30 p.m. The fire-making program is for ages 16 and older. It's free, but registration is required. Call 888-327-2757. Select option 2 and refer to program 3456.

Atlatl practice is also free, and no registration is required. It's for ages 8 and older; meet at the Hoot Hollow picnic area. Hoot Hollow is in the back of the Visitor Center, along the Quail Trail. Look for the sign or ask in the Visitor Center.

CRAB COVE: Insects are on the agenda for Family Nature Fun Hour, which is from 2 to 3 p.m. Saturday and Sunday at Crab Cove Visitor Center at Crown Beach in Alameda. The free program will explore many different kinds of insects and how they live.

Crab Cove is at 1252 McKay Ave., off Central Avenue. For information, call 510-544-3187. By the way, the sand replenishment project at Crown Beach is under way. Contractors are pumping sand onto the beach from offshore barges to replace sand that has been lost to years of storms and erosion. During the project, sections of the beach will be closed to all public access.


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Contact Ned MacKay at nedmackay@comcast.net. For your own safety, please abide by any signs, barriers or instructions from park staff and workers.

FALL EQUINOX: Astronomically speaking, the official end of summer is the autumnal equinox, when day and night are of equal length. This year the first day of autumn is Sunday.

The naturalists at Tilden Nature Area in Berkeley will mark it that day with a free open house from 11 a.m. to 3 p.m. at the Environmental Education Center and Little Farm. It's a chance to pet a chicken, groom a goat, brush a cow, make a craft and generally celebrate the change of seasons.

From 2 to 3 p.m., there will be a walk from the center led by interpretive student aide Morgan Rani Evans. The group will gather autumn leaves, return to the center and fashion them into a sun-catcher to take home. The center and farm are located at the north end of Tilden's Central Park Drive. For information, call 510-544-2233.

Ned MacKay writes a regular column about East Bay Regional Park District sites and activities. Email him at nedmackay@comcast.net.

Contact Ned MacKay at nedmackay@comcast.net.