Oberalp Pass is a high mountain pass at an elevation of 2.044m (6,706ft) above the sea level, located on the border of the cantons of Graubünden and Uri in Switzerland.
Nestled in the Swiss Alps, the wide road to the summit (also known as Alpsu d'Ursera and Oberalppass) is totally paved. It’s called Route 19 and was constructed in 1862/63. The pass is 23.5 km (14.60 miles) long running west-east from Andermatt (a village in the Ursern Valley in the canton of Uri) to Tujetsch in the Surselva Region in the canton of Graubünden). This pass has a fewer amount of traffic compared to the other passes in the region.
The great twisting road to the summit is steep, hitting a maximum gradient of 10.0% through some of the ramps with safe width for passing oncoming vehicles. It's an iconic pass in the Swiss Alps. The road to the summit is closed from the end of October to the beginning of December. The road opens again in spring, usually by the end of April but sometimes not until mid May.
There are 3 routes to reach the summit. Starting from Andermatt, the ascent is 10.6 km long. Over this distance, the elevation gain is 604 meters. The average percentage is 5.7 %. Starting from Disentis, the ascent is 20.4 km long. Over this distance, the elevation gain is 901 meters. The average percentage is 4.4 %. And starting from Göschenen, the ascent is 16.1 km long. Over this distance, the elevation gain is 942 meters. The average percentage is 5.9 %.