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United States KY-77 / KY-715 Difficulty: 7.5/10

Red River Gorge & Nada Tunnel Loop (KY-77 / KY-715)

One of Kentucky's most dramatic rides, entering the Daniel Boone National Forest through the historic 900-foot, single-lane unlined rock Nada Tunnel (the 'Gateway to the Red River Gorge'). KY-77 and KY-715 snake along the Red River beneath soaring sandstone arches, towering rock chimneys, and dense hemlock groves. The narrow road hugs the cliff walls with blind single-lane corners, wooden one-lane bridges, and tight switchbacks climbing to the Sky Bridge ridge. Unbeatable visual drama.

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Distance
Distance
28 mi
45 km total run
Turns
Turns
140
5.0 turns per mile
Summit
Summit
1,320 ft
Pass Summit
Surface
Surface
Paved (Twisty)
Difficulty: 7.5/10
3D Vector Trajectory
CARTO Dark Matter GL
Start: Slade, KY End: Pine Ridge / Sky Bridge, KY
Elevation Profile 700 – 1,320 ft
SUMMIT 1,320 FT
Pass Summit
Apex Density Index 5.0 curves / mi
Scenic Sweeper Technical Switchback
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Repair

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Nearby Staging
Dual Sport Touring ~141 mi
Friendsville, United States • +1-865-995-9000
ADV Outfitter | Emergency Tire & Mounting | GPS & Electrical Diagnostics
Brands: BMW, KTM, Yamaha, Honda, Suzuki, Continental, Heidenau, Mitas
Smoky Mountain Harley-Davidson ~142 mi
Maryville, United States • +1-865-977-1669
Harley Master Service | Emergency Tire Replacement | Touring Express Bay
Brands: Harley-Davidson
Lodge

Rider-Friendly Lodging

Covered Parking
Back of the Dragon Welcome Center & Tazewell Brewery ~129 mi
Tazewell, VA

A world-class, purpose-built motorcycle welcome center marking the northern terminus of VA-16 ('Back of the Dragon' - 32 miles and 438 curves over 3 mountain passes). Exudes celebration and triumph as riders gather on the turf courtyard to compare chicken strips and sip craft pints around fire pits.

Cue

Tank-Bag Quick Reference Sheet

Start Point Slade, KY 37.7940, -83.7049
Summit / High Point Pass Summit 1,320 FT Summit
End Destination Pine Ridge / Sky Bridge, KY 37.7687, -83.5932
T-CLOCS Pre-Ride: Tires & Wheels Controls & Cables Lights & Electric Oil & Fluids Chassis & Stand
DUNLOP
Official Tire Partner: Grip for Mountain Passes
Dunlop Roadsmart IV and Trailmax Mission provide maximum wet/dry confidence on mountain switchbacks.
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Frequently Asked Questions

How many curves and miles is Red River Gorge & Nada Tunnel Loop (KY-77 / KY-715)?

Red River Gorge & Nada Tunnel Loop (KY-77 / KY-715) spans 28 miles and packs approximately 140 curves (5.0 curves per mile) with an elevation delta of 700 ft - 1,320 ft and technical rating 7.5/10.

Where are the start and end coordinates?

The route starts at Slade, KY (Latitude 37.794, Longitude -83.7049) and finishes at Pine Ridge / Sky Bridge, KY (Latitude 37.7687, Longitude -83.5932).

How can I download the GPX file for GPS navigation?

Click the "Download Free GPX" button on this guide. The standard XML file is 100% free and ready to load into Garmin zūmo, BMW Motorrad Connected, Rever, Scenic, or Google Maps.

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