Pico dos Tres Bispos Loop Trail

The trail, known as "Campa de Tres Bispos desde Castelo de Doiras — circular por Sierra de Los Ancares," typically starts near Doiras Castle. While specific parking details aren't provided, starting points for circular routes in this region usually have designated or informal parking areas nearby. It's advisable to check local information for the most convenient parking options.

This challenging mountain bike route is approximately 35.3 kilometers long with an elevation gain of 1,100 meters. It typically takes around 3 hours and 18 minutes to complete, though individual times may vary based on fitness and skill level.

The terrain is varied and demanding. It begins with a paved section, transitioning to dirt tracks, and then becomes a singletrack path. Riders will encounter significant steep ascents and descents, navigating through gorse, heather, and oak sprouts. Depending on the season, sections can be muddy or wet. The descent through a large holly forest (acebal) is particularly steep, and some parts may require dismounting and pushing your bike.

This route is classified as difficult. It requires very good fitness and advanced mountain biking skills due to its steep climbs, technical descents, and varied terrain. It is not suitable for beginners.

You'll pass by Doiras Castle at the start. The route offers breathtaking views of the Ancares Mountains, including prominent peaks like Mustallar, Corno Maldito, and Penarrubia. The Campa de Tres Bispos itself is a historical meeting point, and a particularly enchanting section is known as "A Vereda dos Gnomos" (The Gnomes' Path) through a dense holly forest.

Spring is particularly beautiful, as the Campa de Tres Bispos transforms with vibrant yellow narcissus. However, depending on the season, the path can be muddy or wet. Autumn also offers stunning scenery with diverse forest colors. Always check local weather conditions before heading out, as the mountain environment can change rapidly.

While the Sierra de Los Ancares is a natural area, specific regulations for dogs on this particular mountain biking trail are not detailed. As a general rule in natural parks and biosphere reserves, dogs are often permitted but should be kept on a leash to protect wildlife and ensure the safety of other trail users and grazing livestock. Please check with local authorities for precise rules.

The Sierra de Los Ancares is a UNESCO Biosphere Reserve, recognized for its ecological value. Generally, there are no specific entrance fees for accessing the natural park for activities like mountain biking. However, it's always recommended to respect local regulations, stay on marked trails, and practice Leave No Trace principles. No specific permits for mountain biking this route are mentioned.

The trail immerses you in the rich biodiversity of the Sierra de Los Ancares. You'll ride through diverse forests featuring pine, oak, holly, and maple trees. In spring, the Campa de Tres Bispos is known for its vibrant display of yellow narcissus. You might also encounter local fauna, including cows grazing in the pastures, and the region is home to various other species typical of mountain environments.

Yes, this route does intersect with other paths. Approximately 4% of the route overlaps with the official trail known as "[CIMA LU07] O Portelo - Penas do Comeal".

Be prepared for sections where you might need to dismount and push your bike, especially on the very steep descent through the large holly forest (acebal). While challenging, this section, along with "A Vereda dos Gnomos," is also one of the most picturesque and memorable parts of the trail, so embrace the effort for the rewarding scenery.