When we visit Lake Toba, the word amazing or incredible it is inappropriate to describe it. The lake measuring 100 km x 30 km, this is the biggest lake in Indonesia and Southeast Asia. Surrounded by high plains and mountains covered by pine trees.
The lake is more like the ocean, has a long history, as based on scientific data, formerly of Mount Toba erupted three times ever. These eruptions produce some of the caldera.
The first eruption occurred about 840 million years ago. This eruption produced the caldera in the south of Lake Toba, covering area Prapat and Porsea. The second eruption that has a smaller force, occurred 500 million years ago. This eruption formed the caldera in the north of Lake Toba. Precisely in the area between Silalahi with Haranggaol. The third eruption 74,000 years ago produced a caldera, and be present with Lake Toba Samosir Island … Read more