Royal Robbins and Chuck Pratt looking up from El Cap Spire.

Royal Robbins and Chuck Pratt looking up from El Cap Spire.

Royal Robbins and Chuck Pratt checking out the route above from El Cap Spire during the first ascent of Salathe Wall, El Capitan, 1961. El Cap Spire is the most spacious and comfortable perch on El Capitan. Tom Frost photo.