Laguna 69

The lake and its setting

Laguna 69 sits in the upper Quebrada Demanda beneath the steep faces of Chacraraju, with Nevado Pisco among the surrounding peaks. Glacial meltwater feeds the lake and carries fine mineral sediment that gives the water its light-blue to turquoise colour.

This is a high-Andean lake, not a roadside stop. The shore is reached on foot and sits at 4,604 metres; cold, wind and abrupt weather changes are part of the setting.

The hike from Cebollapampa

The standard route is an out-and-back walk from Cebollapampa, at roughly 3,915 metres. Allow about 14 km, around 700 metres of ascent and five to seven hours on the trail.

The opening section follows the stream across open valley ground. A first climb rises through switchbacks, then the route crosses flatter ground before a second, steeper climb on loose and rocky terrain to the lake. It is not a technical ascent and needs no climbing equipment, but altitude makes the final slopes substantially harder.

Set the pace: walk slowly from the start and leave enough time for the descent. Trekking poles are useful on the loose downhill sections.

Altitude is the main risk

Do not attempt this hike immediately after arriving in Huaraz from low altitude. Spend at least two nights in Huaraz and keep the first days easy; a shorter walk beforehand is a sensible test.

Turn back and descend if you develop severe or worsening headache, repeated vomiting, confusion or poor coordination. Fitness does not prevent altitude illness.

Carry water, food, sun protection, warm insulating layers and a windproof, waterproof shell. Conditions can feel warm while climbing and cold as soon as you stop at the lake. Shoes with dependable grip are essential.

Access and transport

Laguna 69 is in the Llanganuco sector of Huascarán National Park. Access to its circuit is restricted to tourism companies holding a current park service contract, so arrange the trip through an authorised operator; the operator handles the required entry arrangements and transport.

Day trips generally depart Huaraz early, drive through the Llanganuco valley to Cebollapampa, and collect walkers there after the return hike. Confirm what the quoted price covers, including the park ticket, before departure.

When to go

May to September is the drier, more stable period and usually gives the clearest mountain views. In the wetter season, cloud, rain and muddy or slippery ground can slow both the climb and descent. Whatever the season, start with enough daylight for a measured return rather than rushing the final climb.