GUIDED WANDERWALKSInghams Plus Registration fee £1 per walk (confirm at time of booking) Sunday: Vihren chalet and Okoto lakeModerate | 3-4hrs | 2,800-3,200 ftA tour of some of the lakes around the Bansko area Thursday: Popovo Lake Moderate | 3-4hrs | 2,800-3,200 ftFrom Bansko to Popovo Lake, the largest in the Pirin mountains.