The Wild and Scenic Westfield River Committee announces a "Bikes and Quartzites" workshop at 10 a.m. on Saturday, June 14.

Geologist Richard Little will lead a bike ride down the trail, taking a tour of the Chesterfield Gorge and all things geologic on the East Branch. Bring a bike, water and lunch. The 8 mile bike ride is on an old dirt road with frequent stops to admire the river and its rocks.

Participants will meet at the Trustees of Reservations Chesterfield Gorge parking lot, and should be ready to ride at 10 a.m.

To register, call volunteer coordinator Meredyth Babcock at (413) 623-2070.