2021-03-262015-01-01http://hdl.handle.net/10784/27303Landforms related to the Ruiz Volcano, the northernmost active volcano in South America, are both of volcanic and glacial origins. A brief historical account includes several eruptions and culminates with the catastrophic one which occurred in November 13th, 1985. A description of the geological evolution of the area is complemented by an itinerary which will permit the observation of the more important landforms. © Springer International Publishing Switzerland 2016. All rights reserved.Springer International PublishingGlacial landforms; Volcanic landformsinfo:eu-repo/semantics/bookPart2021-03-26