Sometimes climbers/mountaineers will say that they are getting an alpine start.
What does this mean and why would they want to do this?
An alpine start is when one starts a climb really early in the morning (well before sunrise). Usually the goal is to make it to the top and back down before the conditions deteriorate.
Getting too late of a start increases a number of risks including,
Other times its worth getting an alpine start just to see the sunrise from the top of a mountain.