Peru’s Informal Miners Blockade the South’s Lifeline Highway as Arequipa Tensions Flare
PERU · MINING
Key Facts
—What happened: Informal miners blocked Peru’s Pan-American Highway South in the Arequipa region for four days this month.
—Where: The stoppage cut the road at Atico, in Camaná province, and at Chala, in Caravelí province.
—What they want: The miners demand an open-ended extension of the state’s formalisation registry, not the limited one Congress approved.
—The catch: Police have cleared the highway, but the conflict itself is unresolved and the miners threaten to radicalise.
—Who it hurt: Hundreds of vehicles were stranded, local media reported ambulances held up, and milk and fuel deliveries to the south were disrupted.
—What comes next: Prosecutors have the names of identified blockaders, and a wider mining law fight now moves to Congress.
Peru’s informal miners have again shown they can switch off the country’s southern highway at will. Four days of blockades in Arequipa stranded hundreds of vehicles and squeezed milk and fuel supplies before police reopened the road.
Four days on the Pan-American Highway
The blockade sat on the Pan-American Highway South, the coastal road that links Lima to Peru’s entire south. It went up at two points in the Arequipa region, Atico and Chala.
For four days, hundreds of trucks and buses sat stranded between the desert and the sea. Local media reported that even ambulances were held up at the barriers.
The economic pain spread quickly. Deliveries of milk from Arequipa’s dairy basin and fuel bound for southern cities were caught in the stoppage, according to local reports.
Police eventually cleared the highway. Colonel Giuliano Arguedas, the region’s security chief, said the intervention deliberately avoided confrontation so that no lives would be risked.
The truce may prove short. The miners’ leaders have warned they will radicalise their protests if their central demand is not met.
What the miners actually want
The fight is about a registry with an awkward name. The Reinfo, the Integral Registry of Mining Formalisation, is the state’s list of small miners allowed to work while they legalise.
Being on the list is everything. A registered informal miner can keep digging; an unregistered one is, in the eyes of the law, simply illegal.
Congress has now approved only a limited extension of the registry, running to the end of 2026. The protesters reject that and want an open-ended extension without new conditions.
The stakes are large. More than 50,000 miners were struck off the Reinfo in a government clean-up, leaving roughly 31,000 with valid registrations.
The loudest voice belongs to Confemin, a mining confederation led by Máximo Franco. It argues the state imposes rules written for big companies on men with shovels.
Why this keeps happening in Arequipa
Arequipa is better known abroad for volcanoes and colonial architecture. In Peru it is also mining country, and some of its coastal districts are gold-rush territory.
The district of Atico shows how dark that can get. A conflict there between informal miners and a formal concession holder has left 14 miners dead since 2022.
That figure comes from the Defensoría del Pueblo, Peru’s ombudsman. It counts the Atico conflict among the region’s unresolved social conflicts.
The geography does the rest. The Pan-American is the only real road along the coast, so a single barricade of burning tyres throttles an entire macro-region.
The minister and the chat groups
The politics around informal mining are uncomfortably close. The energy and mines minister has had to defend his participation in chat groups with informal miners.
The issue first surfaced when Peruvian media revealed ministerial membership of WhatsApp groups run with figures from the informal sector. The explanation offered was dialogue, and at one point an academic purpose.
Critics see something else. They argue the informal sector has captured pieces of the state meant to regulate it.
The evidence they cite ranges from ministerial chat groups to sympathetic congressional committees. It is a serious charge, and it sticks because the pattern repeats.
The clean-up that lit the fuse
The current cycle of protest dates to a 2025 decree. The government of then-president Dina Boluarte closed the registry’s doors and purged miners whose paperwork had lapsed.
More than 50,500 registrations were struck off in that clean-up. For the families behind those numbers, the purge turned a tolerated living into a criminal one overnight.
At the same time, a tougher criminal statute raised penalties across the grey zone. Processing, transporting and trading informal ore can now bring prosecution, not just fines.
The miners’ counter-offer is a law of their own. A draft Small-Scale and Artisanal Mining Law, known by its Spanish initials as the Ley Mape, has stalled in Congress for years.
Every side has learned to wait the others out. The registry is extended by months, the protests pause, and the underlying question is deferred again.
The government’s official line draws a distinction. Informal miners deserve help to formalise, it says, while illegal mining is a matter for the police and the courts.
Why a foreign reader should care
Peru is the world’s third-largest copper producer and one of Latin America’s biggest gold sources. The informal end of that industry is not marginal.
Prosecutors estimate that some 300,000 people live from non-formal mining. Part of that output leaks into smuggling and finances organised crime.
The formal industry watches nervously. The same month the blockade went up, Peru was advertising record mining investment and record mining employment.
Both stories are true at once. That is the Peruvian mining paradox in a single week of August 2026.
What happens next
The police have passed the names of identified blockaders to prosecutors. Obstructing a highway, including ambulances, is a criminal matter in Peru.
The miners’ threat to radicalise hangs over the coming weeks. A new march on Lima has been floated by the confederation before.
Congress, meanwhile, still owes the country a definitive small-mining law. Until one exists, every extension of the registry is a ceasefire, not a peace.
Frequently Asked Questions
Why did informal miners blockade the highway in Arequipa?
They demand an open-ended extension of the Reinfo, the state registry that lets small miners work while formalising. Congress approved only a limited extension to the end of 2026.
What is the Reinfo in Peru?
It is the Integral Registry of Mining Formalisation, the state’s list of informal miners tolerated while they legalise. More than 50,000 were removed in a recent clean-up.
Is the Pan-American Highway open again?
Yes. Police cleared the blockades at Atico and Chala after four days, and traffic is flowing. The miners warn they will radicalise if their demands are not met.
How big is informal mining in Peru?
Environmental prosecutors estimate around 300,000 people depend on non-formal mining. Peru is the world’s third-largest copper producer and a leading gold source.
Connected Coverage
Read our report on Peru’s record mining employment, the US$3.4 billion Cerro Verde offer to Arequipa, and this week’s mining investment surge.
Sources: El Búho (Arequipa, August 2026), Diario El Pueblo / Defensoría del Pueblo conflict report (May 2026), Perú21, América TV, La República, La Jornada (AFP).
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