This is the largest volcanic lake in the world and estimated around 70,000 years old. (damaitours.com)
It's the area surrounding the city that's ripe for exploration with a motorbike — it features wonderful villages full of traditional Minangkabau houses, the stunning volcanic lake of Lake Maninjau, the impossibly green Harau Valley and perhaps a chance sighting of one of the world's biggest flowers, the Rafflesia. (travelfish.org)
We travel from the Malagasy capital across volcanic lakes and sandstone rock formations to the golden shores of the Indian Ocean. (thetravelmagazine.net)