Iruya

The road to Iruya climbs to a 4,000-metre pass, then drops down the far side through kilometres of guardrail-free switchbacks into a village that looks placed on the mountainside by someone who had run out of flat ground. Cobbled lanes rise so steeply the upper quarter needs steps, and the church looks over the lower rooftops into a gorge falling hundreds of metres to the river. Around a thousand people call it home, and the road goes nowhere else.

Iruya sits at 2,780 metres in Salta's Santa Victoria range, reached by a single dirt road off the Quebrada de Humahuaca that wants checking after rain. Founded in the colonial period as a mining outpost, it keeps a Quechua-inflected culture apart from the quebrada towns beneath it — the Fiesta del Rosario tradition fills the plaza with processions and communal meals, celebrants arriving from surrounding hamlets on foot. The lanes themselves are the village's argument for staying: donkeys still haul supplies from lower settlement to upper, and footpaths lead out through high communities toward remoter villages like San Isidro, walked with local advice and community consent — not every mountain track is public access. The isolation that once made Iruya a hardship posting now makes it one of the quietly remarkable places of the northwest.