Grjótagjá is a small lava cave near lake Mývatn in Iceland. It has a thermal spring inside.
由于位于这里的冷空气，该熔岩管位于Thorlakshofn镇附近，经常用冰装饰。该洞穴大约在4600年前形成，是冰岛第四长的洞穴。它的长度超过1300米，当地人说要充分利用这种体验，最好一直走到洞穴的尽头。熔岩地层简直就是例外。
Víðgelmir is a lava tube situated in the Hallmundarhraun lava field in west Iceland, around 2 km southeast of Fljótstunga farm in…
Grjótagjá is a small lava cave near lake Mývatn in Iceland. It has a thermal spring inside.
Surtshellir is a lava cave located in western Iceland, around 60 km from the settlement of Borgarnes.
Listed in Natural Heritage Register, Rútshellir Cave is one of the first man-made caves in Iceland.
