A Gruta dos Moinhos Velhos (juntamente com a Gruta da Pena e a Gruta da Contenda), faz parte de uma grande rede de galerias com mais de 11 Km de extensão, constituindo dos mais importantes sistemas subterrâneos do Maciço Calcário Estremenho. Caracteriza-se pela existência de dois coletores paragenéticos fósseis, de diâmetro aproximadamente decamétrico, com afluentes desenhando uma rede dendrítica e um conjunto de galerias semi-ativas de traçado dendrítico a norte e angulado a sul. A zona fóssil tem um desnível de 100 metros e a espessura da zona intermédia varia entre 80 metros a montante e 60 metros a jusante, circulando a água por galerias singenéticas, do quadrante norte para o quadrante sul, em direção à exsurgência da Gruta da Pena.

Podem definir-se quatro fases na evolução do sistema. A primeira é representada por galerias freáticas superficiais, de pequeno diâmetro, a segunda pelo coletor paragenético da Galeria Gémea, a terceira pela Galeria Grande e seus afluentes e a última pelas galerias ativas e semi-ativas dos andares inferiores.

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Cabin Rentals in Mira de Aire

Experience the welcoming atmosphere of Lux Fatima Park Hotel, where a spacious outdoor seating area invites relaxation.

"Great place !!!!! I would only advice the hotel to have a lunch and dinning redtaurant open for guests."

$91 nightly

Jul 23 - Jul 24

Total includes taxes and fees

Welcome to the Royal Obidos Hotel & Spa, featuring a modern entrance with a revolving door and glass vestibule.

"Excellent view and hotel amenities"

$189 nightly

Aug 17 - Aug 18

Total includes taxes and fees

Hotel Oceano Marisqueira features a striking facade with a red and white awning, glass railings, and a welcoming entrance with a glass door.

"The location is unique directly on the 2,2km wide beach"

$111 nightly

Jul 24 - Jul 25

Total includes taxes and fees

Stylish residential building with a central entrance and covered walkway.

"Hotel was great. "

$193 nightly

Jul 27 - Jul 28

Total includes taxes and fees

Stunning building with a curved facade and lush green surroundings.

"Nice staff. Facilities are ok, well used stainedcarpets a dshower curtain, but sheets were clean."

$44 nightly

Jul 23 - Jul 24

Total includes taxes and fees

By the Sea Alojamento features a curved facade with balconies and windows with curtains.

"Great location at a great price."

$93 nightly

Jul 29 - Jul 30

Total includes taxes and fees

Hotel Santa Maria features a modern architectural style with a combination of brick and glass elements.

"A great hotel next to the Sanctuary. It has a cute store, and a great restaurant, also free parking!"

Hotel Miramar features a traditional facade with a central entrance and symmetrical design.

"Excelente "

$157 nightly

Jul 24 - Jul 25

Total includes taxes and fees

Experience the comfort of a modern hotel with balconies and convenient parking.

"Great place to be if you are looking for convenience and simplicity in the heart of town."

$47 nightly

Jul 27 - Jul 28

Total includes taxes and fees

Guests enter through a glass entrance, surrounded by a well-maintained area with a paved walkway and potted plants.

"Stop at this review and look elsewhere. Very confusing check in, thats if you can find the reception area. The bungalows are very outdated and worn out. A lot of mildew inside. Terrible sewage smell. "

Enjoy stunning sea views from our rooftop terrace with seating.

"Nice place. Nice rooms. "

$111 nightly

Jul 27 - Jul 28

Total includes taxes and fees

Stunning hotel with a grand entrance, flanked by columns, surrounded by a beautifully maintained garden and water feature.

"Good hotel"

$126 nightly

Jul 30 - Jul 31

Total includes taxes and fees

Experience the hotel's spacious open area with curved design and large windows.

"Wonderful place"

$149 nightly

Jul 27 - Jul 28

Total includes taxes and fees

Situated beside a serene body of water, this two-story building offers a minimalist design with clean lines and a neutral palette.

"Romantic spot"

$189 nightly

Jul 30 - Jul 31

Total includes taxes and fees

Hotel D'Afonso features a modern exterior with a prominent sign, balconies, and a flat roof.

"Staff was very friendly and helpful. Hotel is nice and have a lot of things for kids to do. Only downside ia that the hotel had just opened for the season and was not fully ready. I recommend and would stay again."

$88 nightly

Jul 31 - Aug 1

Total includes taxes and fees