Passo Tre Croci is a high mountain pass at an elevation of 1.808m (5,932ft) above the sea level, located in the Dolomites, a mountain range located in northeastern Italy.
The road over the pass is asphalted. It links Cortina d'Ampezzo and Auronzo and Dobbiaco. It’s called SR48. The road over the pass is quite low and easy, and runs through woodland. There are only a few minor hairpins and snakes rather than zig-zags. The surface of the road is very good, but has some often difficult to see bumps due to subsidence. It's not very steep and there are only a few hairpins, but with little traffic even when the rest of the Dolomites are packed. On the summit there are nice views of the Monte Cristallo (3,221 m).
The pass has been climbed by the Giro d'Italia bicycle race. There are 2 routes to reach the summit. Starting from Ca San Marco, the ascent is 11 km long. Over this distance, the elevation gain is 693 meters. The average percentage is 6.3 %. And starting from Cortina, the ascent is 8.1 km long. Over this distance, the elevation gain is 575 meters. The average percentage is 7.1 %.