12-Day Huayhuash Circuit – Peru’s Toughest & Most Scenic Trek

Embark on a 12-day expedition around Peru’s Cordillera Huayhuash, famed for its jagged peaks, turquoise glacial lakes, and remote Andean villages. This high-altitude circuit pushes you up to 5,000 m, offering unparalleled mountain vistas and an authentic wilderness experience.

Itinerary

Day 1: Arrival in Huaraz → Gear check & acclimatization hike.
Day 2: Drive to Cuartelwain (3,900 m) → Short hike and campsite setup.
Day 3: Trek over Cacanan Pass (4,700 m) → Descend to Mitucocha Camp (4,200 m).
Day 4: Cross Carhuac Pass (4,650 m) → Camp beside Carhuacocha Lake.
Day 5: Climb Siula Pass (4,850 m) → Camp at Huayhuash plateau.
Day 6: Portachuelo Pass (4,750 m) → Relax at Viconga hot springs.
Day 7: Summit Cuyoc Pass (5,000 m) → Descend to Huanacpatay Valley.
Day 8: Hike through Huayllapa village to Huatiac Camp.
Day 9: Tapush Pass (4,750 m) → Camp at Gashpapampa.
Day 10: Yaucha Pass (4,850 m) → Camp at Jahuacocha Lake.
Day 11: Optional day-hike to Rondoy viewpoint → Return camp.
Day 12: Trek to Llamac → Transfer back to Huaraz.

Adventure Type

High-Altitude Expedition Trekking

Difficulty

Extreme – Prior altitude trekking experience required

Ideal For

Seasoned mountaineers and backcountry trekkers seeking remote, multi-day challenges

What Makes It Special

One of the world’s top rated alpine circuits, combining technical passes, glacial vistas and natural hot springs.

What’s Included

• Certified mountain guide and cook
• All meals and purified water
• Camping gear, tents & mule support
• Private transfers and park permits
• Emergency oxygen & first-aid kit

What to Bring

• Merino or synthetic thermal base layers (2 sets)
• Fleece mid-layer and 600-fill down jacket
• Waterproof/breathable shell jacket & pants
• Insulated trekking pants or leggings
• High-ankle waterproof trekking boots
• Technical gloves + liner gloves, warm beanie
• Moisture-wicking socks (4 pairs)
• UV-protection sunglasses & sunscreen
• 2 L hydration bladder or bottles & energy snacks

Weather Conditions

• Best Season: May–September
• Day temps 10–18 °C; nights –5–5 °C
• Possible afternoon snow or hail above 4,500 m