A full-day outing from Arequipa that pairs a short scramble to a cool highland waterfall with the otherworldly rock towers of Imata’s stone forest. Expect high-elevation chill, volcanic terrain and strong photographic opportunities.
More ways to explore the area's outdoor wonders
Before dawn the van eases out of Arequipa and the Andes opens like a weathered map—volcanic ridges and broad puna stretching toward a high, bright sky. By mid-morning the air bites; travelers tighten jackets and step where a thin river dares them forward. The approach to Pillones requires a careful scramble down rock slopes and a river-side walk before the waterfall reveals itself: a cool curtain of water that has carved small pockets in the volcanic bed.
Difficulty
moderate
Duration
9–11 hours
Fitness Level
Moderate fitness: able to handle several hours of walking on uneven volcanic terrain with short steep sections.
Wildlife
History
The Pampa de Arrieros area was historically a rail and mule route into Arequipa; the stone formations at Imata formed from volcanic ash and tuff shaped over millennia by wind and freeze–thaw cycles.
Conservation
This highland ecosystem is fragile—stay on marked paths, avoid disturbing grazing animals, and carry out all waste to minimize impacts on native grasslands.
Reserve your spot on the Pillones Waterfall and Stone Forest today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Layer for altitude
Temperatures change quickly at high elevation—bring a warm midlayer and wind shell to adjust on the trail.
Sturdy shoes for volcanic rock
Wear boots or trail shoes with good grip—tuff and loose scree make descents to the waterfall technical underfoot.
Hydrate before you go
The dry Andean air and altitude can accelerate dehydration—carry at least 1.5–2 L of water for the day.
Plan for limited services
There are few facilities at Pillones and Imata—bring snacks and any medications, and carry cash for small purchases in villages.
Sturdy hiking shoes
Grip and ankle support for loose volcanic rock and short scrambles.
Insulating midlayer and wind shell
Cold mornings and windy passes require warm, windproof layers.
fall
2L water reservoir or bottles
Dry high-altitude air increases fluid needs—carry more than you think.
summer
Camera or phone with extra battery
Stone forest and waterfall offer strong photo opportunities, bring backup power.