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The Cathedral Group is the group of the tallest mountains of the Teton Range, all of which are located in Grand Teton National Park in the U.S. state of Wyoming. The Cathedral Group are classic alpine peaks, with Pyramidal peak shapes caused by glacial motion. The highest peak in the group is Grand Teton, which rises more than above Jackson Hole valley, and is the second tallest mountain in Wyoming, after Gannett Peak. The Cathedral Group is separated from other tall peaks of the range by the Cascade Canyon to the north and Avalanche Canyon to the south.
Half the remaining dozen in the Teton Range are located in this cluster of high peaks, including the Teton Glacier which is the largest one in the range. Other glaciers such as the Middle Teton Glacier, Teepe Glacier, and Schoolroom Glacier are also located here. The Cathedral Group has several high cirques, arêtes as well as Hanging valley and which are all the work of glacial activity. At the base of the Cathedral Group, several can be found, including Jenny Lake, Bradley Lake and , all of which were formed when the glaciers of the last ice age retreated, leaving behind Moraine which acted as natural dams. A few high altitude lakes can also be found scattered among the peaks.
Some geographers only include Grand Teton, Mount Owen and Teewinot Mountain as part of the Cathedral Group proper. Similarity of shape and isolation from other high peaks of the range by the deep Cascade and Death Canyons convince others to place all the major peaks between the canyons within the group.
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