San Rafael Swell UT Located in SouthCenteral Utah the San Rafael Swell is a 75 by 40 mile giant dome made of sandstone shale and limestone one of the most spectacular displays of geology in the country. The Swell is surrounded by canyons gorges mesas and buttes and is home to eight rare plant species desert big horns coyotes bobcats cottontail rabbits badgers gray and kit fox and t