Location: The trail to Telescope Peak begins from Mahogany Flat Campground at the end of Upper Wildrose/ Emigrant Canyon Road. High clearance and 4x4 are recommended for the final 1.5 miles to the campground. The road is steep, rough, and narrow. Hikers with low-clearance vehicles should consider parking at the Charcoal Kilns and walking the road to the trailhead. Telescope Peak - Death Valley National Park (U.S. National Park Service) On a clear day look far to the western horizon for the Sierra Nevada Mountains where Mount Whitney rises to 14,505 feet (4421m) as the highest point in the contiguous United States (lower 48 states).