Hiring a guide is the first good decision you can make while planning a big mountain objective. Not only will you be led into the best zones and safely escorted up and down the smartest routes, but you also won’t have to worry about the trip’s logistics: they’ll often handle route planning, gear, and even meal prep. But not all guides are created equal. The best of the best are experienced, certified leaders and just plain rad people—folks who know how to avoid an avalanche and are great to hang out with for a long haul. Here are our picks for ten mountain masters who are all verifiably awesome.