Big Sink - this is an old collapsed doline.

It is believed to be a collapsed doline (a type of sinkhole).

It takes its name from the fig tree growing in the debris cone on the doline floor.

The name doline comes from "dolina", the Slovenian word for this very common feature.

It is a geological formation known as doline formed by the collapse of huge boulders creating this cave.

The lake is near circular in shape and is probably a cenote or doline.

"It looks like there's something glowing down there" "This doline wasn't here earlier this morning.

In Carso areas, a doline, sink or sinkhole is a closed depression draining underground.

Doline may refer to:

About 200 meters from the cave itself there is a doline, improperly referred to as the Macahambus Gorge.

Visitors can also view the part of the underground canyon with collapsed doline Velika Dolin.

The doline was first recorded by a British airman immediately following the Second World War and was investigated soon after.

Each pond is a basin-shaped limestone doline approximately nine metres (30 feet) deep and connected to the others by shallow watercourses called "races".

Elder Cave: Named from the Elder tree, visitors would climb down to enter the doline (sinkhole).

Again, it became the leader of First World War onwards, as well as 60 years in the field Sprecanski doline.

Doline (Hungarian: Völgyes)

The 1983 book Portrait of a Friend by Watkins' wife Gwen(doline) (née Davies) deals with the relationship.

Zgodbe iz doline šentflorjanske (Tales from the St. Florian Valley, 1908)

Eventually there is nothing but topsoil above the caverns so formed and the familiar shape of a doline is created when the topsoil collapses into the cavern beneath.

Bones are commonly found in caves or "tomo" (the Maori word for doline or sinkhole; often used to refer to pitfalls or vertical cave shafts).

While discoveries were being made in Shannon Cave in 1980, attention was also being paid to a large doline less than a kilometre away in County Fermanagh.

The Atea Cave is a very large cave at the base of a 300m deep doline in the highlands of Papua New Guinea.

Spirit Well (Nam Bua Phi), a spectacular large collapse doline and one of the largest known natural holes in Thailand, is south of the H1095 road.

On 2 April, General Metikoš along with the 6th Croatian Infantry Division attacked the Chetniks not far from Gornja Doline.

A sinkhole, also known as a sink-hole, sink, swallow hole, shakehole, swallet or doline, is a natural depression or hole in the Earth's surface which may have various causes.