A nature site destination not far from Tongging village, Merek sib-district, Karo district, North Sumatra. The waterfall is located at a heaight of 800 meters above sea level and is surrounded by pine trees. Sipiso-piso originates from the word piso, which means knife. The water that falls down is like a rush of sharp knifes that comes down.
Location: Reachableby public transport from Medan to Kabanjahe. From Kabanjahe is another 24 km trip to Lake Toba or a 30 minute trip.