Portell de l'Infern and Salt de Robert Loop

The trail typically starts from the picturesque village of Fredes, located within the Tinença de Benifassà Natural Park. Parking is generally available in or near Fredes, which serves as a common trailhead for this and other routes in the area.

The ideal times to hike this trail are during spring and autumn. The weather is pleasant, vegetation is vibrant, and the Salt de Robert waterfall's flow is usually at its best. While possible in summer, it's recommended to start early mornings or late afternoons to avoid intense heat and crowds.

The full loop is generally considered to be of moderate difficulty. It involves diverse terrain, including steep descents and rocky sections, particularly towards the Salt de Robert. Good physical fitness and sure-footedness are recommended. There is a shorter, easier 6 km version available that bypasses the waterfall for those seeking a less challenging option.

The route features diverse terrain, starting with comfortable forest tracks that narrow into paths. You'll traverse dirt tracks, earth paths, and pronounced rocky sections. Some parts can be slippery, especially after rain, particularly near the Salt de Robert and within the Portell de l'Infern. Expect ascents and descents through dense pine forests and areas with significant rock formations.

Key highlights include the impressive Portell de l'Infern, a narrow natural passage through rock, and the stunning Salt de Robert, a 25-30 meter high waterfall. You'll also pass the Pi Pastor Rock Formation and enjoy numerous panoramic viewpoints offering expansive vistas of the Tinença de Benifassà Natural Park, sometimes even glimpses of the sea.

Yes, the trail is generally dog-friendly. However, given the diverse and sometimes challenging terrain, including rocky and potentially slippery sections, ensure your dog is accustomed to such conditions and always keep them on a leash, especially in a natural park environment to protect wildlife and flora.

Generally, there are no specific permits or entrance fees required to hike the trails within the Parque Natural de la Tinença de Benifassà, including this loop. However, it's always a good idea to check the official park website for any updated regulations or specific requirements before your visit.

The Tinença de Benifassà Natural Park is rich in biodiversity. You might spot birds of prey such as vultures, golden eagles, and buzzards soaring above. The area around the Salt de Robert is particularly notable for its protected endemic flora and fauna, forming a unique ecosystem. The park also boasts one of Valencia's best oak forests.

The full Portell de l'Infern and Salt de Robert Loop typically takes between 5 to 6.5 hours to complete, depending on your pace and how often you stop to enjoy the scenery. This estimate is for the full 14.8 km route.

Yes, the route intersects with and shares sections of several other official trails. You'll find parts of the Fredes – Pantà d'Ulldecona pel Portell de l'Infern, the Senda Portell de l'Infern, and the Sender Ombries del Salt de Robert along the way.

Given the moderate difficulty and varied terrain, it's essential to bring plenty of water, especially during warmer months. Wear sturdy hiking boots with good grip, as some sections can be rocky and slippery. A map or GPS device is also recommended, as some parts of the trail may require careful attention to markers. Don't forget snacks, sun protection, and appropriate layers for changing weather.