rinjani4dIn 1257, Mount Samalas, the precursor to Mount Rinjani, experienced a catastrophic eruption, one of the most powerful in recorded history. This caldera-forming event reshaped the landscape,Image credit: @markey1881 When I climbed Mount Rinjani in 2015, there were only a handful of reputable tour panies operating and now there are tons. This is a testament to how popular the trek has bee.