I did that once in mountaineering. Toiled up the Teton Range from the base at Jenny Lake. Aiming for Grand Saddle between Middle Teton and Grand Teton. Our local 'guide' knew less than we believed and we ended up on the saddle between South Teton and Middle Teton. Climbed South Teton as compensation and walked back to the Valley somewhat pissed off.
Left rather than right here.
http://www.jackieandalan.com/images/middleteton.jp...