Welcome to Wall Climbing.

Big wall climbs are all about getting out in the wilderness and spending multiple days and nights on the largest rock faces in the world. Brought to you by John Middendorf.

Note: the original website was one of the first climbing sites on the internet, created when there were only a few thousand websites on the whole internet. It was hand-coded in the early 1990's and an early version can be seen here : Wayback Machine website (1996). A5 was also one of the first climbing manufacturers with a website: A5 Adventures online catalog, 1995

Big Walls-a primer:

Big Wall Techniques

Big Wall Info:

Selected Published Articles by John Middendorf

Yosemite Camp 4 Crisis (1998):