You could also post your questions here http://flyfishingforums.hipwader.com/viewforum.php?id=3 which is basically the local Ontario Flyfishing BB.

You may like to monitor this site in the week prior to arrival http://www.grandriver.ca/index/docum...&sub1=0&sub2=0

Here are some pics to increase enthusiasm
http://www.friendsofthegrandriver.com/map.htm#