Parque Natural Sierra de Grazalema

The Sierra de Grazalema Natural Park, designated a UNESCO Biosphere Reserve in 1977, is one of Andalusia's most distinctive and beautiful protected areas. Located in the province of Cádiz, straddling the border with Málaga, the park is renowned as Spain's wettest location, receiving over 2,000 millimetres of rainfall annually. This abundant precipitation creates a verdant landscape that feels almost subtropical, with lush oak forests, deep green valleys, and rivers flowing year-round — a striking contrast to the dry hills typical of much of southern Spain. The park's centrepiece is the extraordinary Pinsapo forest, a relict ecosystem from the Tertiary era featuring the Spanish fir (Abies pinsapo), a conifer that survived the last ice age only in these mountains.

The hiking routes in Grazalema are diverse and well-marked. The most iconic is the ascent of El Pinsapar (PR-A 15), a challenging 7-kilometre trail from the village of Grazalema that climbs into the heart of the Pinsapo forest, passing through groves of these ancient firs with their characteristic short, stiff needles arranged around the branches like bottle brushes. The summit offers panoramic views over the park and across to the Strait of Gibraltar. For a shorter experience, the Sendero del Pinsapar (PR-A 5) from El Bosque is a 3-kilometre easy walk through a valley with picnic areas and interpretive panels. The most challenging route is the ascent of El Torreón (1,654 m), the highest peak in the province of Cádiz, a full-day hike of about 16-18 kilometres round trip with stunning views across the park and the Atlantic coast.

The park's abundant birdlife is a major draw for naturalists. The limestone cliffs around the Garganta Verde (Green Gorge) host one of the largest griffon vulture colonies in Andalusia, with over 200 pairs nesting on the sheer rock faces. Bonelli's eagles, peregrine falcons, eagle owls, and alpine swifts are also regularly seen. The best times to visit are spring (March-June) for wildflowers and bird activity, and autumn (September-November) when the weather is stable and the oak forests turn golden. The park is also the gateway to the famous pueblos blancos — whitewashed villages like Grazalema, Zahara de la Sierra, and El Bosque — that cling to the hillsides and offer excellent local gastronomy, artisan cheese, and traditional crafts.