Meet Rosemary Gill at Hoover Park (Cowper & El Dorado; parking, bathrooms, water; 5 min ride from Cal Ave train station) in Palo Alto at 9:30 for a 9:45 start. Enjoy some gentle hills and quiet streets in Los Altos Hills and Los Altos. Back by lunchtime. rosemarygill@sbcglobal.net/650-823-0207.