171 metres. 45 minutes. 360° views over the ocean, El Médano, the kitesurfers below, and Teide cutting through the distance. Montaña Roja is Tenerife's most absurdly rewarding effort-to-payoff ratio. This brick-red volcanic cone, planted at the end of El Médano beach like a lava lighthouse, can be climbed in trainers and offers one of the island's most beautiful sunsets. Special Nature Reserve, don't touch anything, stay on the path, don't collect volcanic ash "as a souvenir."
The trail starts from the car park at the end of Playa de la Tejita. Two routes: the direct one (south face, steep, 30 minutes, burning calves) or the loop via the right (west face, longer, 45 minutes, steady gradient). The direct trail is more rewarding: you climb quickly and the view opens up suddenly at the summit. The summit plateau is windy, hold onto hats and phones. The ground is loose (fine volcanic ash), your ankles will work hard, and the descent on the steep side needs attention. No technical difficulty, 6-year-olds do it.
The sunset is the moment. The rock turns intense red, shadows stretch across the beach below, and Teide traces a black silhouette against an orange sky. In summer, the sun sets around 8:30 pm, reach the summit around 7:30 pm to settle in. In winter, count on 6 pm. Very early morning also works well: low-angle light, no crowds, and the sea is often perfectly calm. Avoid 12 pm-4 pm, zero shade, the rock radiates heat, and the climb is gruelling.
Playa de la Tejita stretches right at the base: 1 km of blonde sand, few people on weekdays, a nudist zone at the eastern end. The sea here is rougher than on the south-west beaches, be careful with children. El Médano village is a 15-minute walk away: seafront terraces, relaxed surf and kite vibe, zero mass resort feel. Flashpoint (on the seafront promenade) makes the best coffee in the area and serves decent brunch on weekends. In the evening, the bars around the little square come alive, it's the most "local" spot in southern Tenerife.
Free access, open year-round. Free parking at the end of La Tejita road, about twenty spaces, filled early on weekends. If full, El Médano car park (5 minutes by car) and walk 15 minutes along the beach. Bus: line 470 from Los Cristianos (~43 minutes, ~€2). Dogs not allowed in the reserve. No water, no toilets, no shade on the trail. Bring a windbreaker for the summit, the wind is constant and can be freezing even when it's 25°C at the base.