Tuweep A visit to Toroweap Overlook and an introduction to the Tuckup Route. Press esc to exit. The Colorado River from Toroweap Overlook. Lava falls is just below mid-frame. A distant view of the Dome. About 18 inches tall Potholes – a critical water source in dry times. Moss and cactus Juniper and redwall limestone That’s the Big Point Juniper berries Volcan’s Throne Kryptobiotic soil December, 2015 Location Map: