slopes at 9 km from Samokov, is the oldest winter resort in Bulgaria and the largest one in Rila. It has 27 marked ski runs with a total length of 58 km equipped with 12 lifts facilities and provides conditions for alpine skiing, cross-country skiing, night skiing, biathlon, snowboard, etc.; it has hosted competitions in the FIS Alpine Ski World Cup and the Biathlon World Championships 1993. The top elevation is 2,560 m while the lowest is 1,300 m. Over 36,000 foreign tourists have stayed in Borovets for the 2016/17 winter season spending an average of five nights. Other much smaller ski resorts include Panichishte with several ski runs, Semkovo with seven ski runs totaling 4 km, Bodrost with 5 km ski runs and Govedartsi with a single 1.7 km ski run. The Balmeken High Mountain Sports Complex is located at an elevation of 2,050 m in East Rila and is used for training, medical and biological research by athletes but also provides opportunities for family recreation. The mountain range was a favourite place of retreat for the Bulgarian monarchs Ferdinand I (r. 1887–1918) and his son Boris III (r. 1918–1943). The palace of Tsarska Bistritsa was constructed between 1898 and 1914 above Borovets in the traditional Bulgarian National Revival style with several edifices and a park. Its 170 kW hydroelectric generator installed in 1912 is still working unaltered. Two other hunting lodges were constructed for the monarchs — Sitnyakovo and Saragyol. There are 17 mountains refuges with a total of 1938 beds. There are 198 km primary and 363 km secondary hiking trails in Rila National Park, including E4 European long distance path that traverses it from west to south and E8 European long distance path that traverses it from north-west to south. Rila National Park was visited by about 100,000 tourists annually for the period 2000–2014 reaching a peak of 268,000 in 2012, while with a little more than 1 million visitors Rila Monastery Nature Park is the second most visited one in the country, after Vitosha. In 2000 on the south-western slopes was established the Dancing Bears Park Belitsa that shelters all dancing bears from Bulgaria following the ban of that practice, as well as individuals from Albania and Serbia. The abundant mineral springs along the fault lines along the northern foothills of Rila favour health and spa tourism. The most significant spa resorts from west to