D4 Road Through Sanctuaire Pelagos on Corse Island

The D4 road is situated on the island of Corse, part of France, in the region of Corse. It begins near the village of Isolaccio-di-Fiumorbo and extends through a varied landscape that includes natural protected areas. The road passes through the Sanctuaire Pelagos, a marine protected area known for its cetacean conservation efforts. Corse is a large Mediterranean island with an area of approximately 9,300 square kilometers (3,590 square miles), characterized by mountainous terrain and coastal environments. The D4 road section covered here lies within the coordinates 42.004211 to 42.0987666 latitude and 9.27562 to 9.311673 longitude. An interactive map showing the road can be found at the end of the article.

The D4 road stretches for approximately 26 kilometers (16 miles) and features an asphalt surface of good quality, rated 4.2 out of 5. The road is moderately twisty, offering a dynamic riding experience with a curviness rating of 2.29 on a scale where 3 is extremely curvy. It is predominantly a narrow road, with only about 3% of its length having two lanes, and the majority being single-lane sections. The road width is generally narrow, with about 90% of the road maintaining this characteristic. Around 24% of the route passes through inhabited areas, providing occasional encounters with local settlements.

Elevation along the D4 varies from 208 meters (682 feet) at its lowest point to 675 meters (2,215 feet) at its highest, offering some elevation changes that add to the riding challenge. The road runs through natural landscapes and is part of the Sanctuaire Pelagos national park, which adds environmental significance to the route.

The D4 road runs adjacent to several rivers, including the U Fium'Orbu, Ruisseau de Saltaruccio, and Ruisseau de Varagno. These rivers contribute to the natural beauty and ecological diversity of the area. The road follows the U Fium'Orbu river for about 5% of its length, the Ruisseau de Saltaruccio for another 5%, and the Ruisseau de Varagno for approximately 7%. These waterways provide scenic views and opportunities for riders to experience the natural environment of Corse.

The road's passage through the Sanctuaire Pelagos, also known as the Ligurian Sea Cetacean Sanctuary, highlights its proximity to a protected marine area dedicated to the conservation of whales and dolphins. More information about the sanctuary can be found on its Wikipedia page.

The D4 road is located on an island and is accessible year-round. There are no current tolls or entrance fees associated with this road, but riders should be aware that toll conditions may change in the future. For updated information on road tolls and fees in France, riders can consult official resources such as the French government transport websites.

There is no indication of seasonal closures or event-related restrictions on the D4 road. However, riders should always check local conditions before planning their trip, especially during adverse weather periods.

The D4 road on Corse offers a moderately twisty and engaging ride through a protected natural area with good road surface quality. It provides a mix of natural river landscapes and passage through the Sanctuaire Pelagos national park. The road's proximity to the village of Isolaccio-di-Fiumorbo and its location on the island of Corse make it an interesting route for riders seeking a combination of nature and technical riding.

For more detailed information about the rivers along the route, riders can visit the Fiumorbo river Wikipedia page, Saltaruccio stream Wikipedia page, and Varagno stream Wikipedia page. Corse itself is well documented on its Wikipedia page.