What is it?

Mauritania is where the Sahara meets the Atlantic — a vast, largely empty republic three times the size of Germany with fewer people than Paris, and one of the last great frontiers of adventure travel. Here you can ride the world's most famous freight train, a three-kilometre-long iron ore behemoth that rumbles from the mines of Zouérat to the coast at Nouadhibou, clinging to the top of an open wagon while the desert wind sandblasts your face and the stars wheel overhead. You can wander the crumbling stone libraries of Chinguetti, a UNESCO-listed caravan city where families still guard centuries-old Qur'anic manuscripts in wooden chests, sip sugary mint tea poured in three ceremonial glasses, and watch dunes slowly swallow abandoned houses. Off the coast lies Banc d'Arguin, a shimmering shallow-water national park where millions of migratory birds gather and Imraguen fishermen famously partner with wild dolphins to herd mullet into their nets. And from the air — or from a 4x4 crossing the Adrar plateau — the surreal concentric rings of the Richat Structure, the 'Eye of the Sahara', spread out like a bullseye visible from space. It is raw, hospitable, ancient and almost entirely untouristed.

Where is it?

Mauritania sits in northwest Africa, bordered by Western Sahara, Algeria, Mali and Senegal, with over 700km of Atlantic coastline. The highlights cluster in three areas: the capital Nouakchott with its extraordinary beach fish market; Nouadhibou and the iron ore railway in the north; and the Adrar region inland, home to Atar, Chinguetti, Ouadane, Terjit oasis and the Richat Structure. Visit between November and March, when daytime temperatures are pleasant and desert nights are crisp — summer heat regularly exceeds 45°C and the harmattan can bury horizons in dust.

What makes it worth it?

Travellers consistently describe Mauritania as the most humbling and generous place they have ever been — a country where strangers invite you to share camel milk and tea in a tent simply because you passed by. The silence of the Sahara here is total, the kind that makes people whisper without knowing why, and the sunrises over the Adrar's black rock plateaus turn the whole world apricot and rose. Riding the iron ore train is a rite of passage that returning travellers talk about for decades: filthy, freezing, exhilarating, and unforgettable. "You don't visit Mauritania, you survive it and fall in love with it," is a sentiment repeated again and again by those who've made the journey. Years later, what stays with you isn't a monument or a photo op — it's the taste of dust and sweet tea, the sound of a caravan camel's bell, and the realisation that some of the world's kindest people live in one of its harshest landscapes.

How accessible is it?

This is genuine adventure travel: Mauritania receives only a few thousand leisure visitors a year, tourist infrastructure is minimal outside Nouakchott and Atar, and French or Arabic (Hassaniya) will get you far further than English. Visas are required for most nationalities and are commonly issued on arrival at Nouakchott airport for around €55 in cash euros; overland entry from Morocco or Senegal is possible but slower. Independent travel is feasible for experienced travellers using shared taxis and the Nouakchott–Atar route, but most people hire a 4x4 with driver-guide for the Adrar, costing roughly €120–250 per day including fuel and camping; a week-long organised desert tour typically runs €1,200–2,500. Budget travellers can get by on €40–70 a day; there are no ATMs to rely on outside the main cities, so bring euros in cash. Physically it's undemanding beyond dune walking and long rough drives, but you need tolerance for heat, sand, basic sanitation, and long journeys — plus a sleeping bag, headscarf, goggles and gloves if you plan to ride the iron ore train. Check current government travel advisories, as the far east and border regions near Mali are considered unsafe.