Sex de Marinda is a high mountain pass at an elevation of 2.797m (9,176ft) above the sea level, located in the Swiss canton of Valais. It’s one of the highest mountain roads of Europe.
The road to the summit, located in the Swiss Pennine Alps, is gravel, rocky, tippy and bumpy at times. This road is usually open from end of June to the first big snowfall, but it can be closed anytime when the access is not cleared of snow. Road closures can be frequent, so check conditions before traveling to this area. It’s one of the highest mountain roads of the country. Avoid driving in this area if unpaved mountain roads aren't your strong point. 4x4 vehicle required. Thunderstorm activity can quickly change unpaved roads to four-wheel-drive condition or make them impassable.
Its many twists, turns and narrows can pose a challenge to even the most experienced drivers. The road is not easy, though. Up, down, right, left all the time. Expect a trail pretty steep. Starting from Lac de Moiry, the ascent is 5.9km long. Over this distance, the elevation gain is 542 meters. The average gradient is 9.18% with some ramps over 12%.