The Christakis Refuge located at the “Megali Gourna” basin, at an altitude of 2.550 meters. They’re an excellent starting point towards Mytikas, the highest peak of Mt. Olympus, as well as other peaks, such as Agios Antonios and Skolio. There are 16 beds (1o in the refuge, 6 in the bivouac). The refuge features wireless radio, a fireplace, a dining table and chairs, while the bivouac also has a fireplace. Both are accessible by road from Kalyvia.