Oh, and if you have a long weekend to spend on it, try the BIG loop: up Whistler - Pembie - Lillooet - Cache Creek, but then then head north up Hwy. 97 to Prince George. From there, come back down the Yellowhead through Tete Jaune Cache, Valemount, Kamloops, and back down the Coquihalla home.
http://maps.google.com/maps?f=d&sadd...95&ie=UTF8&z=6