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Caves

Água De Pau

Grota Tunnel (Janela do Inferno)

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Places to see

Caves

Água De Pau

Grota Tunnel (Janela do Inferno)

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Grota Tunnel (Janela do Inferno)

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by 59 explorers out of 61

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Location: Água De Pau

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Tips

Sanralfs

June 24, 2025

Hiking

A flashlight is highly recommended here.

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Routes here

Best Hikes to Grota Tunnel (Janela do Inferno)

4.7

(50)

193

hikers

1. Historic Water Pipeline Trail – Stone Arch Tunnel Trail loop from Remédios

7.33km

02:16

240m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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How to understand each route’s difficulty level

Hiking

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Running

Easy

Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.

Moderate

Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.

Hard

More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.

Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.

Moderate

Details

Informations

Elevation 360 m

Weather

Today

Friday 23 January

13°C

10°C

4 %

Additional weather tips

Max wind speed: 34.0 km/h

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Location: Água De Pau

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Historic Water Pipeline Trail

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