What is "ingleborough"

Ingleborough is the second-highest mountain in the Yorkshire Dales, at . It is one of the Yorkshire Three Peaks, the other two being Whernside, at , and Pen-y-ghent, at . Ingleborough is frequently climbed as part of the Yorkshire Three Peaks Challenge, a 24-mile (38-km) circular challenge walk starting and finishing in Horton in Ribblesdale. If done anti-clockwise Ingleborough is the last mountain climbed, and ascent is from Chapel-le-Dale.