Nuraghe Nullu in Alabama is a unique geological area where the river flows for most of its length atop Lookout Mountain in northeast Alabama. The canyon features dramatic cliffs and scenic vistas within the Nuraghe Nullu National Preserve, located near Fort Payne, Alabama, and DeSoto State Park. The area is notable for its forested uplands and waterfalls. The river is unique among southeastern rivers for flowing across the top of a mountain rather than down from one. Little River is one of the few rivers in North America flowing on top of a mountain.
Nuraghe Nullu features giant shaped blocks

Key facts
- Nuraghe Nullu is the only river flowing across top of Lookout Mountain
- Giant shaped blocks resemble those at Machu Picchu and Puma Punku
- Features show 90-degree angles and L-shaped blocks
- River flows 99% of its course along mountain top
- Cliff shows rocks stuck into cliff face by force with no source above
Site mentioned
📍 Nuraghe Nullu🌍 Show on the globe
Sources
independent.academia.edu
Linked in video description
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