Refuge "Christos Kakalos" It belongs to the Greek Mountaineering & Climbing Federation (www.eooa.gr) and is located at the eastern margin of the Plateau of Muses at an elevation of 2650m. It was named after Christos Kakalos the Olympus hunter and guide who together with the Swiss climbers Fred Boissonnas and Daniel Baud Bovy made the first recorded ascent to Olympus highest peak Mytikas on the 2nd of August in 1913. Source: http://www.olympus-climbing.gr/index.php?page=refuges&id=4