Mandatory equipment Mobile phoneCharged mobile phone with the ability to make incoming and outgoing calls within the territory of the Republic of Bulgaria WaterAt least 500 ml of water WhistleIn case of loss, the safest way to hear you BellHelps prevent encounters with wild animals Survival blanketAluminum foil (survival blanket) measuring at least 140 x 200 cm Additional equipment HatThe best friend in rain or shine GlovesIt's important to stay warm when the pace is slow or the temperatures are low. Long pants(or a combination of clothes that completely cover the legs) Jacketmade of waterproof material with a water column of at least 10,000mm