I hike with my Aussie whenever I can. He's 10 now so he can't quite manage the trails that he used to but a good 3 hour adventure does him just right. I'd love to hear from others who hike with their dogs. If you backpack long range trips, that would be good to hear about to. Here's a video clip of my wingman:

http://video.google.com/videoplay?docid=3209256260504785769