Rimo I is the chief summit of the Rimo massif, which is situated, in the northern part of the remote Rimo Muztagh which is a subrange of the Karakoram range in India. It is located at a distance of twenty kilometers in the northeast of the snout of the Siachen Glacier. Literally Rimo means `striped mountain`. The Rimo massif consists of four peaks and shares the name Rimo. Rimo I is located at a height of 7,385 meters (24,229 feet) above mean sea level. Rimo II is a subpeak on the north ridge of Rimo I and is located at a height of 7,373 meters (24,189 feet). Rimo III at a height of 7,233 meters and Rimo IV at a height of 7,169 meters are independent peaks which are located in the north of Rimo I.

On the north side of the massif there is the Rimo Glacier, on the east side of the massif there is the South Rimo Glacier and the smaller North Terong Glacier on the west side. The mountain prominence (it is a measure of vertical separation between mountains) of the mountain is 1,438 meters (4718 feet). The geographic coordinates of the mountain are 35°21?21?North, 77°22?05?East.