Located in New Mexico’s Jemez Mountains, in Sandoval County, in USA, the Gilman Tunnels blasted out of the rock in the 1920’s, were originally used for a logging railroad and are quite high. The drive, in the Santa Fe National Forest, is definitely worth it.
Abra Huayraccasa is a high mountain pass at an elevation of 5.059m (16.597ft) above the sea level, located in Peru. It's one of the highest mountain roads of the country. The road over the pass is asphalted, pretty narrow and steep. It can be extremely dangerous after rains or snowfalls.
Located in the Ismailli Rayon of Azerbaijan, the road to Lahij is one of the most dangerous drives in the world. It follows a river with huge cliffs and some drops of 300m. Due to frequent earthquakes, it can be closed anytime. A 4 WD and an experienced driver are recommended. Avoid driving in this area if unpaved mountain roads aren't your strong point.
Muro di Sormano is a short but devastatingly steep climb in Sormano, a municipality in the Province of Como in the Italian region of Lombardy. This asphalted climb is famous as one of the most severe of any road cycling race, featuring sections in excess of 25% grade. It’s one of the hardest and most epic climbs you can ride on two wheels.
Located in the Gilgit district, Northern Areas, in northern Pakistan, the Khaltaro Valley Road is one of the scariest roads ever. Imagine a narrow gravel road, very steep (up to 15%) with horrendous drops on both sides. Welcome to hell! Only the suicidal, the insane, or the paid-to-do-this should ever drive down.
The Chluse Gorge Road is an extremely narrow road, with a length of 6.4 km, going through the Chluse Gorge, near Kandersteg, in the Frutigen-Niedersimmental administrative district in the canton of Bern in Switzerland. It is located along the valley of the River Kander, west of the Jungfrau massif.
Cerro Chacaltaya is a high mountain pass at an elevation of 5.260m (17,257ft) above the sea level, located in the Cordillera Real of the Bolivian Andes. The road still remains an adrenaline-pumping journey and is definitely not for the faint of lungs, heart, or legs. It's one of the highest mountain roads of the country.
Located in the Rhodope Mountains of Smolyan Province in the far south of Bulgaria, the Devil’s Throat Cave (Dyavolsko garlo Cave) is a spectacular cave resembling a devil's head with a waterfall rushing down its throat. Oncoming traffic is a nightmare. The road is cut into the rocky side of the gorge.
The Buynovo Gorge road is located in the Rhodope Mountains, north of the village of Buynovo (Borino municipality), on both sides of the Buynovska River which is a tributary of the Vacha River, Bulgaria. It is recommended that beginner riders avoid this road. There are sheer drops virtually along the entire route and enough hairpins to make a whirling dervish dizzy.
The Old Gavia Road is a short section of the famous climb to the Passo di Gavia. It’s 500m long and is an old road near the abyss. It’s now quite washed out with large stones and in places where the railing was missing it had been replaced with strings. The road is certainly breathtaking and it has a fearsome reputation. Despite the fact that there is a driving ban, the barriers on both sides have disappeared.
Semo La is a high mountain pass at an elevation of 5.578m (18,300ft) above the sea level, located in Tsochen county in Ngari Prefecture, in the central part of Tibet, in China. It gives access to the Chang Tang region. It’s one of the highest roads of the country. Most people feel altitude sickness at around 2,500-2,800 meters. Near the pass, oxygen is in short supply.
Aucanquilcha is a massive stratovolcano at an elevation of 6,176m (20,262ft) above the sea level, located in Antofagasta Region of northern Chile. An old mine road used to run to the top, but now much of it above 5,500m has been wiped out by landslides. For several years, it was the highest driveable road in the world.
Anabar Road is an epic ice road trip in Russia linking Lake Baikal (Irkutsk) and Anabar Bay, in the Laptev Sea. It’s said to be the world's northernmost road end, ending at 72°49' North, higher north than the Nordkapp, Prudhoe Bay or Tuktoyatuk.
Located in the Albanian Riviera, Gjipe Beach is said to be the most beautiful beach of the country. Drive with care as this is a terrifying steep road (up to 9%) with dangerous drop offs. It's best not to look down. One mishap and you plunge off the cliff and into the sea. It’s one of the most scenic coastal drives in the world.
N6 is an asphalted road located in central Yemen, with a length of 52,1km. The road (also called R4234) climbs up the Lawdar Mountain Pass, at an elevation of 2,267m above the sea level. The road has 34 switchbacks. It’s one of the most hairpinned roads in the world.
Suge La is a high mountain pass at an elevation of 5.430m (17,815ft) above the sea level, located in the Nyenchen Dangla Mountains about 110kms northwest of Lhasa. It’s one of the highest motorable road passes of the world. Most people feel altitude sickness at around 2,500-2,800 meters. Near the pass, oxygen is in short supply.
The Road to Fontana Amoroza, located on the Akamas Peninsula at the north-west end of the island of Cyprus, is one of the most dangerous roads in the world, as well as one of the world’s best coastal drives. The road starts with a sign which - truthfully- says "Do not enter - dangerous for cars". The route demands 100% concentration.
Located in the middle of the Dolomites, in the Italian Belluno province, part of the Veneto region, the road along the Serrai di Sottoguda gorges is one of the narrowest roads in the world. The Sottoguda gorge is closed to traffic. Only pedestrians and cyclists are allowed.
The Rosi Mittermeier Tunnel is said to be the highest road tunnel in Europe, at an elevation of 2.830m (9,285ft) above the sea level. It’s located in the Ötztal Alps in Tyrol, Austria.
Located in the Andes on the Argentina–Chile border, at an elevation of 5.800m (19,000ft) above the sea level, the Refugio Tejos is commonly regarded as the highest mountain hut in the world. The track is extreme. Only4x4 vehicles with expert drivers. It's one of the highest mountain roads of Chile.