I read most of the ones on Sam's list and Sarah's blog, of course, and my friend Martin Rye's. It is a little hard to keep up with so many because I always seem to be writing, or hiking!
Here are a few more that I try to keep up with.
The Adventures of Tom and Atticus, http://tomandatticus.blogspot.com/
Alan Sloman, http://www.alansloman.blogspot.com/
Collected Musing of a Hill Wanderer, http://www.johnhennessy.co.uk/blog/
eBothy Blog, http://www.stravaiger.com/blog/
Helen's Wondering Wanderings, http://helenswonderings.blogspot.com/
Hiking, Climbing & Mountaineering (mostly) in Japan, http://i-cjw.com/blog/
Mountain Wandering, http://www.mountainwandering.blogspot.com/
Northern Pies, http://northernpies.blogspot.com/
Red Yeti, http://drw.me.uk/RedYeti/
The Solitary Walker, http://solitary-walker.blogspot.com/
Walking across What?, http://walkingacrosswhat.blogspot.com/
White Mountain Sojourn, http://whitemountainsojourn.blogspot.com/