Ruta de los Volcanes, La Palma

The Ruta de los Volcanes is a full day's walk along the volcanic spine of southern La Palma, running from the Refugio El Pilar down the ridge to Los Canarios in Fuencaliente — around 17 to 18 kilometres, six to eight hours, and with the Atlantic visible on both sides for most of it. It is the best-known hike in the Canary Islands and, for a lot of walkers, the reason they come to La Palma at all.

The shape of it is simple. La Palma's southern half is a narrow ridge of volcanic cones, each one a separate eruption stacked along the same rift. The path runs along the top of that ridge, from cone to cone, gradually descending as the island narrows towards its southern tip. You are walking a line of volcanoes in the order they erupted.

It is a serious day out rather than a technical one. There is no scrambling and no exposure to speak of, but there is no water, very little shade, a lot of loose black grit underfoot and a long descent at the end that punishes tired legs. Transport at both ends needs planning before you start walking, not after.

What you are actually walking on

La Palma is the youngest and most volcanically active of the western Canaries. Its northern half is an old, eroded shield with a vast erosion crater in the middle — the Caldera de Taburiente. Its southern half is the new bit: the Cumbre Vieja, a ridge built up by eruptions along a north-south fissure over the last few tens of thousands of years.

Every historical eruption in the Canary Islands on land has happened on La Palma or Tenerife, and most of La Palma's have happened along this ridge. The route passes or skirts several of them, and the dates get progressively more recent as you head south — 1585, 1646, 1677, 1712, 1949, 1971 and, at the southern end of the system, 2021. The path is a timeline you walk along. The geology behind all of it is set out in how the islands were formed.

The route, section by section

The walk is a signed section of the GR-131, the long-distance path that runs the length of the island. The relevant stretch is:

• Refugio El Pilar to Hoyo Negro — the first hour or so climbs through Canary pine forest on a broad track, gaining height steadily. This is the shadiest part of the day, and the last shade you will see for hours.
• The high ridge — the trees thin out and the path runs along open crest at roughly 1,800 to 1,900 metres, past the craters of Hoyo Negro and Duraznero, both products of the 1949 eruption. This is the spectacular section: cinder underfoot, cones on both sides, the sea a long way below.
• The long descent — from around the Deseada summits the ridge drops steadily south, through open lapilli fields and scattered pines, past the Cumbre Vieja's newer cones.
• Fuencaliente — the final stretch comes down into vineyards and reaches Los Canarios, the main village of Fuencaliente, where there are bars, a bus stop and, mercifully, cold beer.

Signage is good — it is a national long-distance path and the waymarking is the standard red-and-white GR flashes — but visibility is the variable, not the signs.

How hard is it, really?

Physically it is a long day rather than a brutal one. Total ascent is modest, perhaps 500 to 600 metres depending on the exact line, and the net movement is downhill: you start near 1,450 metres and finish around 700. But 17 kilometres on volcanic cinder is harder than 17 kilometres on a path. The grit shifts under each step, drains energy from your calves and finds its way into every shoe.

Six to eight hours is the honest range for a reasonably fit walker who stops for photographs and lunch. Add time if you are unused to walking at altitude — 1,900 metres is not high, but it is enough to be noticeable if you flew in from sea level two days ago.

The 2021 eruption changed the southern half

On 19 September 2021 a new vent opened on the western flank of the Cumbre Vieja above Todoque, and it erupted for 85 days — the longest eruption in La Palma's recorded history. It destroyed around 1,200 buildings, buried banana plantations and roads, and added a new delta of lava where the flows reached the sea.

For walkers this matters in two ways. First, the view west from the ridge now includes a cone that did not exist five years ago, with a fan of black lava running down to the coast below it — you can see, from the path, the exact shape of what happened. Second, access on the western side of the ridge changed, and some connecting paths and roads below the route were destroyed or rerouted. The main GR-131 ridge line reopened and is walked normally, but do not rely on an old map for the side descents towards Los Llanos.

Gas monitoring also became a live issue in the affected zone after the eruption, and access restrictions in areas near the new cone have been adjusted repeatedly since. None of this normally affects the classic El Pilar to Fuencaliente line, but it is a reason to check current status rather than assume. We cover the event itself in the 2021 eruption, and the volcanoes at the southern end in the volcanoes of Fuencaliente.

The detail nobody mentions: the cloud sits on the ridge

Here is the thing that decides whether you get the walk of your life or six hours in fog. The trade winds push moist air against La Palma from the north-east, and it piles up against the Cumbre Vieja and forms a cloud layer that often sits exactly at ridge height — typically somewhere between 1,200 and 1,800 metres — through the middle of the day.

The practical consequence is that the ridge is frequently clear at eight in the morning and buried by one in the afternoon, and that the cloud tends to spill over the crest from the east like water over a weir while the western side stays sunny. Starting early is not about heat on this walk; it is about being on the high section before the cloud arrives. Walkers who set off at ten regularly report having seen nothing at all, and it is entirely avoidable.

Transport at both ends

This is the logistical problem of the route and it needs solving in advance. The walk is linear, the two ends are 25 road kilometres apart, and there is no circular option worth the name.

Options, in rough order of reliability:

1. Taxi up, bus back. Take a taxi from Los Llanos, Santa Cruz or Fuencaliente to the Refugio El Pilar for the start, walk the route, and use the public bus from Los Canarios at the end. The island's bus network serves Fuencaliente on the main southern route, but frequencies are limited and Sunday service is thinner — check the current timetable and, above all, the last departure.
2. Two cars. Leave one in Los Canarios, drive the other to El Pilar. Clean but needs a second driver.
3. Hiker shuttle. Several local operators run a morning transfer to El Pilar aimed specifically at this walk, sometimes with a pick-up at the far end. Book ahead in season.
4. One car and a taxi at the end. Park at Los Canarios, taxi to the start. Works well; agree the fare before you get in.

Mobile signal on the ridge is patchy, so do not plan on phoning a taxi from the summit. Our page on getting around the islands covers the general picture, and if you are flying in for this, the ferry and flight options to La Palma are set out in ferries between the islands.

What to carry

• Two to three litres of water per person. There is none on the route.
• Proper boots or trail shoes with a decent sole, plus gaiters if you own them — the lapilli gets into everything.
• Sun protection that does not rely on shade: hat, high-factor cream, sunglasses. The cinder reflects.
• A warm layer and a windproof. The ridge is exposed and 1,900 metres in a north-easterly is cold even in June.
• Food for the whole day. Nothing is sold between the two ends.
• A downloaded offline map. Signage is good, but cloud plus unfamiliar ground is how people take wrong turnings.

When to walk it

Spring and autumn are the best compromise: reasonable temperatures, lower odds of the summer haze, and long enough daylight. Winter is walkable and often beautifully clear, but the ridge can be genuinely cold and wet, and snow is not unknown at this altitude in a cold spell.

High summer is the least pleasant option, mostly because of heat on the long open descent towards Fuencaliente, where there is nothing between you and the sun. The calima — the Saharan dust haze — is the other seasonal variable, and a strong calima will reduce the view to a brown blur and make breathing hard work. If one is forecast, move the walk.

The easier alternative

If 18 kilometres is more than you want, there are two sensible reductions. You can walk the first half from El Pilar to the high craters and return the same way, which gives you the scenic core in around four hours with a car waiting where you left it. Or you can start at the southern end and walk up as far as your legs like, turning round at will.

Separately, the southern volcanoes around the Fuencaliente salt pans can be visited as a short loop from the lighthouse road with no ridge walking at all. The island's wider network of routes is covered in hiking on La Palma, and the general standards and grading in hiking in the Canary Islands.

So, is it worth the day?

If you are a walker, it is one of the finest single days in the archipelago and arguably the best ridge walk in Macaronesia. Very few paths anywhere let you stand on a cinder cone with open ocean on both horizons, on ground that was molten within living memory, and then walk down through vineyards to a village where the wine is grown in the ash.

It also explains La Palma in a way nothing else does. Finish at Fuencaliente, look back up the ridge you just walked, and the island's shape makes sense — old and eroded to the north, raw and growing to the south. For the rest of what the island offers, the island roundup is the place to start; but do this one first, on the clearest morning you get.