AS-12 Alto del Torzo Route Navia to Grandas de Salime

The AS-12 is located in the autonomous community of Asturias in northern Spain. It connects the town of Navia, situated near the Atlantic coast, with the inland area around Grandas de Salime. The road traverses a mountainous region, including the Alto del Torzo mountain pass, and runs adjacent to the Río Navia river for a portion of its length. The route also passes near two reservoirs, Embalse de Doiras and Embalse de Arbón, which add to the natural features along the way. An interactive map showing the AS-12 route can be found at the end of this article.

The AS-12 extends approximately 71 kilometers (44 miles) and is primarily an asphalt road with a surface quality rated as moderate. The road is moderately twisty, offering a mix of gentle curves and some sharper bends, making it engaging for motorcyclists without being overly demanding. Most of the road (about 89%) consists of two lanes, with a small portion (around 2%) reduced to a single lane. The width varies, with over half of the route being wide enough to comfortably accommodate two vehicles side by side, while narrower sections account for about 15% of the road.

The elevation ranges from near sea level at 3 meters (10 feet) up to 678 meters (2,224 feet) at the highest point near the Alto del Torzo pass. Speed limits vary, with a maximum of 60 km/h (37 mph) on some sections and 50 km/h (31 mph) on others, reflecting the road's mountainous nature and safety considerations.

Approximately 19% of the route passes through inhabited areas, including several settlements and towns such as Navia. The road also runs alongside the Río Navia for about 4% of its length, providing scenic water views. Additionally, the route passes near viewpoints that offer riders opportunities to stop and appreciate the surrounding landscape.

The AS-12 includes the Alto del Torzo mountain pass, a notable feature of the route that reaches an elevation of 678 meters (2,224 feet). This pass provides a gradual ascent and descent, with road conditions suitable for most motorcycles. The area around the pass is characterized by forested hills and open viewpoints.

Along the route, riders will encounter two significant reservoirs: Embalse de Doiras and Embalse de Arbón. Both reservoirs cover areas close to 3 square kilometers and are located adjacent to the road, offering pleasant water views and potential rest stops. These lakes contribute to the natural appeal of the ride and are points of interest for travelers.

The AS-12 is open year-round, but riders should be aware that weather conditions in mountainous areas can affect road safety, especially during winter months. There are no known tolls or entrance fees on this road, but conditions may change, so checking local sources before travel is advisable. For more information on road tolls in Spain, riders can consult official Spanish transport websites.

The road surface is generally in moderate condition, with some sections requiring cautious riding due to narrower widths or sharper curves. The route is suitable for riders seeking a moderately challenging mountain ride with varied scenery, including river views, lakes, and mountain landscapes.

For further details on the Río Navia, see Río Navia. Information about the reservoirs can be found at Embalse de Doiras and Embalse de Arbón. An interactive map of the AS-12 route is provided below to assist with navigation and planning.