Road Trip Northern Spain: Coast and Mountains (5–7 Days)

Northern Spain is often called Green Spain — España Verde — and the contrast with the south is immediate. Basque coast cliffs, Cantabrian beaches backed by mountains, ancient pilgrimage roads, cider houses, pintxos bars and a landscape that stays green year-round because it rains, reliably, whenever it feels like it. This is not a sunshine-guaranteed Mediterranean road trip. It is something different and, for many drivers, considerably more interesting.

The natural route runs west: Bilbao → San Sebastián → Santander → Oviedo → Santiago de Compostela. Around 600 km on the direct route; considerably more if you add the Picos de Europa, the Asturian coast villages and a detour into the interior.

Where to start

Bilbao is the most connected airport for this route and has the best rental car availability. San Sebastián (Donostia) is also possible but has fewer flight connections.

If you want to avoid backtracking, consider a one-way rental from Bilbao to Santiago. Drop fees on this corridor are reasonable and the alternative — returning east after reaching Galicia — adds two days of driving you have already done.

Compare rental cars in Bilbao and northern Spain

5–7 day itinerary

Day 1: Bilbao

Leave the car in a car park and spend the day in Bilbao on foot. The Guggenheim, the Casco Viejo and the Mercado de la Ribera are all walkable. Bilbao is a working city, not a resort, and it is better for it — the pintxos bars in the old town are among the best in the Basque Country.

Day 2: San Sebastián

An hour east on the AP-8. San Sebastián has a remarkable concentration of good food for a city its size. La Concha beach works in any weather; Parte Vieja has pintxos bars on streets that are so narrow and so packed in summer that queuing outside is standard. Stay two nights if you can.

Day 3: Santander and the Cantabrian coast

The AP-8 continues west from San Sebastián to Santander — toll booths at intervals, smooth motorway, views of the coast where the road dips toward the sea. Santander itself has a good beach, a university-town feel and a ferry connection to the UK that some travellers use as the starting point for the route.

The stretch between Santander and Laredo has some of the best beaches in northern Spain — Noja, Langre, Somo. These are not the packed beaches of the Mediterranean; they are wide, Atlantic-facing and cold.

Days 4–5: Picos de Europa detour

This is the part of the route worth adding days for. The Picos de Europa national park sits inland from the coast, straddling Cantabria, Asturias and León. The N-621 from Potes climbs into a landscape of karst limestone peaks, deep gorges and villages that have barely changed in a century.

The Desfiladero de la Hermida gorge road between Panes and Potes is one of the most dramatic drives in Spain — a narrow road following the Río Deva between sheer rock walls. Allow more time than the distance suggests.

The Fuente Dé cable car rises 800 metres to a plateau at 1,800 m with views across the range. Get there early; queues form fast in summer.

A note on mountain roads in the Picos: they are narrow, often without barriers on the drop side, and some are one-lane with passing places. A small or compact car handles them significantly better than an SUV. Drive calmly; the scenery rewards stopping.

Day 6: Asturias — Oviedo and the coast

Oviedo has a walkable historic centre, pre-Romanesque churches on the outskirts and the Mercado El Fontán for cider (sidra asturiana) and cheese. The Asturian coast between Llanes and Ribadesella has sea stacks, natural swimming pools in rock pools and fishing villages that are not yet overrun.

Sidrerías (cider houses) are a cultural institution in Asturias as in the Basque Country. The ritual of the escanciado — cider poured from height into a glass held at the waist — is done by the staff, not tourists, and results in cider with more bubbles and a glass that is never more than a third full.

Day 7: Santiago de Compostela

The approach into Santiago is gradual and then suddenly urban. The old city is UNESCO-listed and the cathedral, with its baroque facade and the Praza do Obradoiro in front of it, is one of the most arresting town squares in Europe. Park at the edge of the historic centre and walk in — no need for the car once you are there.

If you have chosen a one-way rental, drop the car in Santiago. If you need to return to Bilbao, the A-8/AP-9 motorway south to Porto and across is an option, but most travellers fly home from Santiago airport.

The AP-8 toll road

The AP-8 is the main motorway along the Basque coast and into Cantabria. It has toll booths — cash or card accepted, no transponder needed. The tolls are not expensive by European standards, but they add up over several days. Budget €20–€30 for the full stretch.

The free alternative is the N-634 (also called the N-632 in sections), a national road that follows the coast more closely through villages and towns. It is slower — significantly slower — but gives you a more immediate sense of the landscape. Mixing both works: AP-8 for covering distance, N-road when you want to stop.

Weather and when to go

Pack waterproofs. This is not a metaphor or a precaution — northern Spain has Atlantic weather and it rains across all seasons. The summer months (July–August) are the driest and warmest, but showers still happen. Spring and early autumn offer green landscapes, smaller crowds and cooler temperatures for driving mountain roads.

The Picos de Europa can be cold and foggy at altitude even in summer. Check the forecast before driving the high passes.

What makes this route different

Most visitors to Spain experience the south or the islands — hot, dry, Mediterranean. The north operates on different assumptions: food culture is more serious (the Basque Country has more Michelin stars per capita than almost anywhere else in Europe), the landscape is maritime and moody rather than sun-bleached, and the pilgrimage road to Santiago gives the whole region a thread of historical weight that you do not feel in Benidorm.

The car is not optional here — the best of northern Spain is dispersed, coastal and mountainous in a way that no train line reaches properly. But the driving itself is part of what the trip is about.