He won the Ansel Adams Award for Conservation Photography in 1984. He had numerous photographic assignments for Life, National Geographic, Outdoor Photographer, and various other publications. Rowell was also a highly regarded writer on subjects ranging from photography, humanitarian and environmental issues, human visual cognition, and mountaineering, publishing numerous magazine articles and eighteen books in his lifetime. His In the Throne Room of the Mountain Gods about the history of mountaineering on K2 (1977) is considered a classic of mountaineering literature, and his 1986 book Mountain Light: In Search of the Dynamic Landscape is one of the best selling how-to photo books of all time. Also an energetic advocate for the causes in which he believed, Rowell served on multiple advisory and directors' boards for organizations ranging from the Committee of 100 for Tibet to the World Wildlife Fund.