ALG-358, 0utlook Arch, North Idou Area Outskirts. 17.0 meter span, 3.1 meter height (both measured). GPS 32R 550200 2751458. This arch is located 300 meters southwest of ALG-357 (Niche Arch) on the top of an outcropping of rock. Photo taken at sunset. This beautiful arch pleasantly frames the side of the Idou maze.