The main active volcano on Bali is Mount Agung, a powerful and significant peak that last erupted in 2019 and influences the island's climate. Another active volcano, Mount Batur, is popular for sunrise treks but is much more tourist-friendly and has not erupted in decades. Indonesia has many other volcanoes, some of which can affect flights to Bali due to ash clouds, even if they aren't located on Bali itself.Read more