Name: Gruta das Banjas
Rating: 2

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Caves

Portugal

Porto

Melres

Gruta das Banjas

Discover

Places to see

Caves

Portugal

Porto

Melres

Gruta das Banjas

Recommended by 1 people

This Highlight is in a protected area

Please check local regulations for: Paisagem Protegida Regional Parque das Serras do Porto

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Location: Melres, Porto, Portugal

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1. Gruta das Banjas loop from Lomba

20.2km

02:40

700m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2. Gruta das Banjas loop from Melres

10.8km

01:25

360m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Tips

liamlonsdale

July 23, 2025

The Gruta das Banjas seemingly appears out of nowhere. A giant hole in the ground.

The cave lies near the peak of Serra das Banjas, at roughly 325 m elevation, carved into schist bedrock with clear ties to abandoned mine workings.

Features include tight passageways and vertical shafts—the result of manual extraction dating back to Roman and later periods, within the broader Dúrico-Beirão mining district.

I’d recommend accessing from the western side, and climbing up and out of the main shaft, rather than the opposite way which demands a more challenging climb down into the chasm.

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Elevation 330 m

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Tuesday 7 October

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Location: Melres, Porto, Portugal

Gruta das Banjas

1. Gruta das Banjas loop from Lomba

2. Gruta das Banjas loop from Melres

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