Guiana Shield Guiana Shield The Guiana Shield is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on the shield are called the Guiana Highlands, which is where the table-like mountains called tepuis are found. The Guiana Highlands are also the source of some of the world's most spectacular waterfalls such as Angel Falls, Kaieteur Falls and Kuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana) and French Guiana (or Guyane), most of
Bonita Falls in many parts with graffiti and litter. The falls are usually flowing year-round and the lower falls are reached via a popular, approximately 3/4 mile (1200 m) hike (each way). The first 1/2 mile (800 m) follows the South Fork Lytle Creek wash to a side trail that takes you approximately 1/4 mile (400 m) to the base of the falls. The trailhead for the falls is an unsigned turnout parking area along Lytle Creek Road, one mile past the Front Country Ranger Station in Lytle Creek. A National Forest Adventure Pass is required to park there and on summer