Photo by Alyona Nagel on Pexels · Pexels License · Photo credits

Gruta artificial da época calcolítica, aberta em argila compacta, existente no lugar de Ermejeira

Portugal, Lisboa · Near Torres Vedras

39.1341286, -9.1891069

KML Maps

Overview

cultural heritage monument in Torres Vedras, Portugal

Photography

When to Shoot Estimated

Best Times

Any

Best Months

Mar Apr May Sep Oct Nov

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Access & Drone Info

Access

Difficulty Estimated

challenging

Informational only, not legal or travel advice. Visa, permit, drone and access rules differ by nationality and site and change often, so confirm with the official authority (linked where shown) before you travel, shoot or fly.

Drone

Unknown

↑ 120 m Night ✓ Registration req. Insurance req.

ANAC - Autoridade Nacional da Aviacao Civil (National Civil Aviation Authority) ↗ Full regulations →

Informational only, not legal advice. Rules change quickly — always verify with the managing authority before flying. Airspace authorization and land-owner permission are separate: clearance to use the airspace never grants permission to take off, land, or operate from the ground below it. Data last refreshed Jun 27, 2026.