Sierra Grade, Bonny Doon back in Tour of California

The peloton heads down Highway 1 on the way to Santa Cruz in the 2009 Amgen Tour of California

The peloton heads down Highway 1 on the way to Santa Cruz in the 2009 Amgen Tour of California (Image credit: Russ & Nancy Wright/AbbiOrca.com)

The Amgen Tour of California organisers continued their staged release of the details of this year's race, today giving out information on the third and fourth stages of the 2010 Tour.