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Ox Bel Ha ("Three Paths of Water"), officially Sistema Ox Bel Ha, is a cave system in Quintana Roo, Mexico. It is the longest explored underwater cave in the world and ranking no. 4 including dry caves. As of October 2011 the surveyed length is 231.2 kilometers (143.7 mi) of underwater passages.
Sistema Sac Actun (from Spanish and Yucatec Maya meaning "White Cave System") is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the village of Tulum. Exploration started from Gran Cenote 5 kilometers (3.1 mi) west of Tulum. The whole of the presently explored cave system lies within t...
Skeleton Cave is a lava tube within Deschutes County, Oregon, of the United States. The cave is within Deschutes National Forest and is located on the northern flank of Newberry Volcano near the city of Bend. The cave is between 75,000 and 400,000 years old.
The cave was first documented by American settlers circa 1924, although a stick was found inside the cave with...
Skocjan Caves is a cave system in Slovenia. Due to its exceptional significance, Škocjan Caves was entered on UNESCO’s list of natural and cultural world heritage sites in 1986. International scientific circles have thus acknowledged the importance of the caves as one of the natural treasures of planet Earth. Ranking among the most important caves in the ...
Skotino Cave (σπήλαιο Σκοτεινού) is one of the largest caves in Crete.
The cave lies high on a hill northwest of the village of Skotino, a few kilometers inland south of Gouves. It is also known as Agia Paraskevi Cave from the church dedicated to Saint Paraskevi built on top of it. The ...
Skull Cave is a small and shallow cave on the central heights of Mackinac Island in Michigan, USA. The cave was carved during the Algonquin post-glacial period by the waters of Lake Algonquin, a swollen meltwater ancestor of today's Lake Huron.
Skull Cave is primarily of interest for its historical associations. It is believed to have been used as an inhumation site b...
If time for just two caves, make this the second one! It is massive, and a good contrast to Valentine Cave in how this one is mostly "breakdown," or boulders that fell from the original ceiling and covered the floor. There's a nice trail orignially built by the CCC. As an added bonus, take the long stairways down to the chilly bottom where a year-round ice floor can b...
Skylight Cave is a lava tube cave in the Deschutes National Forest near Sisters, Oregon, known for its natural skylights that create dramatic light shafts. It's located east of Belknap Crater, about nine miles northwest of Sisters. The cave is accessible during the summer months, typically from May through mid-September, due to its use as a bat habitat.
The cave is en...
Skyline Caverns, is a series of geologic caves and a tourist attraction located in Front Royal, Virginia. The caverns were discovered by Walter S. Amos, a retired geologist and mineralogist from Winchester, Virginia, on December 17, 1937. The Skyline Caverns is open year-round, offering guided tours through the caverns. In addition to the cavern tours, attractions inc...
Slaughter Canyon Cave is a strenuous adventure tour. Ranger-guided tours of Slaughter Canyon Cave take you into an underground wilderness without electricity, paved walkways, or modern conveniences. In this wild cave, darkness is broken only by the flashlights and headlamps of rangers and tour members. Highlights of the tour may include the 89-foot high Monarch, one o...
Smocza Jama (Polish for "dragon's den") is a limestone cave in the Wawel Hill in Kraków. Owing to its location in the heart of the former Polish capital and its connection to the legendary Wawel Dragon, it is the best known cave in Poland.
Smocza Jama has two entrances, one natural and one artificial — a 19th-century waterwork well. They are connecte...
Smoo Cave is a large combined sea cave and freshwater cave in Durness in Sutherland, Highland, Scotland. The cave name is thought to originate from the Norse 'smjugg' or 'smuga', meaning a hole or hiding-place.
The cave is located 2 kilometres (1.2 mi) east of the village of Durness and is presently served by a car park, toilets, stairs and walkways. Plans are be...
Smuggler’s Cave or Rum Runner’s Cave is locate at Pappy’s Point on Sunset Cliffs. There are two large entrances connected by an elevated narrow passageway through the rock. A concrete stairways provide access to the passageway, which several off-shoots and one longer passageway at sea level. There are a couple of places where you could easily fall in...
Snowy Jade Cave (a.k.a. Snow Jade Cave or Xueyu Cave) is a National Three Gorges Scenic Area and a National 4A Scenic Area located in Fengdu County, Chongqing Municipality, People's Republic of China, not far from the Yangtze River.
The cave's interior is China's only pure-white, jade-like example. It continues to expand due to erosion in the surrounding karst landsca...
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