Coll d’Arca is a mountain pass at an elevation of 605m (1,984ft) above the sea level, located in the comarca of Baix Penedès, in the province of Tarragona and autonomous community of Catalonia, Spain. The climb is very steep, with sections up to 15%.
The road to the summit, located in the Sierra de Montmell mountain range, is asphalted but pretty narrow, with some concrete sections. The road encompasses miles of stunning views through twisty hair pin corners, high elevations and steep grades. The road's winding design, providing stunning panoramic views, is very curvy and fun for a leisurely ride.
The road to the summit is very steep. Starting from TV-2443 road, near Aiguaviva, at 514m above the sea level, the ascent is 2.6 km long. Over this distance the elevation gain is 91 meters. The average gradient is 3.5%. And starting from TV-2401road, near La Juncosa del Montmell, at 409m above the sea level, the ascent is 3.5 km long. Over this distance the elevation gain is 196 meters. The average gradient is 5.6%.