Medan, July 1 -- UNESCO assessors will re-evaluate the Toba Caldera Geopark in North Sumatra from July 21-25, focusing on its compliance with recommendations to improve management.

Azizul Kholis, general manager of the Toba Caldera UNESCO Global Geopark Management Agency, said on Tuesday that the assessors will visit several sites around Lake Toba, including Eden 100 Park in Sionggang Utara village, Toba district.

The assessment will be led by Jose Brilha of Portugal and Jeon Yong Mun of South Korea. Their itinerary includes geosites on Samosir Island and Sipiso-piso Waterfall in Karo district - one of the highest waterfalls in Indonesia.

Lake Toba was formed by a supervolcanic eruption approximately 74,000 years ago, creating a vast c...