喷泉山的西北部和西南部位于麦克道尔山(英语:McDowellMountains)。麦克道尔山由一些死火山组成,最高峰为East End(英语:East End (Arizona))(4,069英尺(1,240米))、麦克道尔峰(英语:McDowell Peak)(4,034英尺(1,230米))和汤普森峰(英语:Thompson
new reptiles from British New Guinea. Proc. Zool. Soc. London 1: 125-129 McDowell, Samuel B. 1969. Toxicocalamus, a New Guinea genus of snakes of the family