The Aire Range Dinosaur Tracks Natural Monument, also known as Ourém - Torres Novas Dinosaur Tracks Natural Monument, is a natural monument in the Serras de Aire e Candeeiros Natural Park, Portugal, known for its long and well-preserved sauropod trackways. When discovered, it had the single longest known sauropod trackway in the world at 147 m long.
The natural monument consists of approximately twenty different trackways on a broad limestone stratum exposure, part of the Calcários Micríticos da Serra de Aire formation, and 175 millions of years in age.
Wikipedia https://en.wikipedia.org/wiki/Aire_Range_Dinosaur_Tracks_Natural_Monument
Official Website http://www.pegadasdedinossaurios.org/
Address 2350, Portugal
Coordinates 39°34'13.634" N -8°35'20.289" E