Mount Batur, Bali
Length of hike: 1,717 metres up the summit (approximately two hours)
Located in Bali, Mount Batur is probably the quintessential Southeast Asian hike. The active volcano forms part of UNESCO's Global Geopark Network and is a two-hour drive from the tourist hub of Seminyak. Head to the base early and trek up to catch a stunning view of the sunrise set against the island's surrounding rugged landscapes.