Grosvenor Arch, Double natural arch in Grand Staircase-Escalante National Monument, Utah, United States.
Grosvenor Arch is a natural sandstone double arch in Kane County, Utah, located within Grand Staircase-Escalante National Monument. The two openings sit side by side in the same rock face, with the larger arch framing a wide window of sky above the desert floor.
The arch was named in 1949 after Gilbert H. Grosvenor, then chairman of the National Geographic Society, who had supported exploration in the region. The naming came during a period when National Geographic expeditions were actively mapping and documenting this part of the Colorado Plateau.
Grosvenor Arch sits deep inside Grand Staircase-Escalante National Monument, and reaching it requires a deliberate detour along a dirt road. Most visitors who make the effort arrive with a camera and spend time walking around the base to capture the twin openings from different angles.
A short, flat path leads from the parking area directly to the arch, so no special fitness is needed to reach it. The access road is unpaved and can become difficult after rain, so checking road conditions before setting out is a good idea.
Unlike most named arches in Utah, this one sits at a noticeably higher elevation than the surrounding canyon floors, which gives it a cooler climate and can bring snow in winter. That elevation also means the rock takes on different colors depending on the season and the angle of the light.
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