AT A GLANCE
Why go?
Warunqucha—spelled Huaroncocha in its hispanicized form—is a large, remote lake set on the high puna plateau of the Pasco Region in Peru's central Andes, sitting at roughly 4,587 m (about 15,049 ft). Stretching some 9 km long and up to 2.61 km wide, it is the kind of wide, wind-swept expanse of dark water that defines the altiplano landscape: open grassland, cold clean air and, on clear days, glittering peaks on the horizon.↗↗
The lake lies in Huayllay District, Pasco Province, and is best approached as part of a journey through this highland corner of central Peru—an area known as much for its stone-sculpted hillsides and mining heritage as for its scatter of puna lakes. Warunqucha itself is undeveloped and little-visited, appealing to travellers who want raw Andean altitude scenery rather than a curated site.↗↗
A lake of the high puna
Warunqucha earns its place on maps of Peruvian lakes through sheer scale and altitude. At close to 4,600 metres it sits well above the tree line, in the puna belt where the ground is a carpet of tough bunchgrasses and boggy bofedal patches, and the sky feels enormous. The water covers several square kilometres—about nine kilometres in length at its longest—so the far shore tends to shimmer and blur with distance, and the lake can feel more like an inland sea than a mountain tarn.↗
On the ground the body of water is actually a cluster of related basins. Local naming reflects this: the western, smaller section is called Warunqucha Chico ("small"), while the eastern part is known as Yana Mach'ay, a Quechua name meaning "black cave" or "dark hollow". Neighbouring highland lakes sit close by—Warunqucha lies north of Waskhaqucha—so the plateau here is dotted with water, each one mirroring the same intense Andean light.↗↗
Reading the name
The toponym is pure Quechua, and like much of the highland place-name map it tells you what the land looks like. The element qucha means "lake" or "lagoon", while the waru root has been glossed in several related ways—stony ground, a heap or pile of stones, even a platform or basket—hinting at the rocky, rubble-strewn terrain that surrounds the water. The suffix -n simply links the two. In Spanish-language sources you will just as often find the lake written Huaroncocha.↗↗
Getting there and what to expect
Warunqucha is in the Pasco highlands around Huayllay, a district that also lends its name to a celebrated nearby protected landscape of wind-carved rock formations and volcanic hills—the kind of setting that draws day-trippers and trekking enthusiasts to this part of the region. Reaching the lake typically means travelling across the central Andes from Huancayo, La Oroya or Cerro de Pasco and then heading into the high plateau by road, covering considerable altitude along the way.↗↗
Set expectations accordingly: this is a natural lake on open puna, not a built-up resort. There are no established visitor facilities documented at the water itself, and the appeal lies in wide silence, altitude and the chance to see a great Andean lake in its raw setting. The closest comparable developed destination in the same central-highland lake belt is Lake Junín to the south, which is better set up for birdwatching and guided visits.↗↗
What makes it special
A large puna lake at about 4,587 m (15,049 ft)—around 9 km long and 2.6 km wide—in Huayllay District, Pasco Region.↗
Its Quechua name is hispanicized as Huaroncocha; the smaller western basin is Warunqucha Chico and the eastern part is Yana Mach'ay.↗
Sits north of Waskhaqucha amid a belt of highland lakes in Peru's central Andes.↗
Best suited to travellers after raw altitude scenery rather than developed visitor facilities.
A little planning goes a long way
- Treat Warunqucha as a high-altitude destination: at nearly 4,600 m the air is thin and the sun intense, so acclimatize gradually, drink plenty of water, and bring strong sun protection, warm layers and a windproof shell even on bright days.
- Plan the approach from the central-Andes hub towns of the Pasco/Junín corridor and allow extra time for slow highland roads; conditions and exact access can vary with the season, so check locally before setting out.
- Carry everything you need—water, food, fuel and supplies—as there are no documented facilities at the lake itself, and pack out any waste.
- If you want a more accessible Andean lake experience with guided visits and birdwatching, consider pairing the trip with the better-developed sites in the region.
About this guide
Compiled with AI assistance from the sources below; this is not a first-hand visit. Place details collected October 5, 2026. Hours, access and ratings can change; confirm with the venue before visiting.
