We don't have hills and rocks but I am sure she could and would.
She regularly climbs trees in the yard after squirrels.
She will go up to the next big crotch. Coming down is interesting.
No I didn't put her there.
Buffy is also an agility dog, always in the ribbons and frequently first. Jacks are incredible dogs, not many are up to it.
In the catch box at a terrier race.
http://www.youtube.com/watch?v=_rA9HJ7UZcU
Thanks for the link, I will send it to my terrier friends.
Ed