Anne, I could not agree more. And even though it is not a great distance, it is worth allowing a few days. There are so many places to go for short hikes, and so much to do on the Sea to Sky Highway.
A bit off the subject, but when I arrived at Squamish - in August 2004 - my mouth was watering from having seen all the ripe blackberries along the way. I ended up staying an extra day at the blackberry surrounded hostel, and made a kilo of blackberry jam.
It came in handy later as gifts and to barter with.
Memories!!