A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. [1]

Learn what sea stacks are and how they form—from caves and arches to freestanding pillars. Explore geology, erosion, wildlife, safety, and climate.

Apr 4, 2025 · Sea stacks are amazing vertical rock formations standing in the sea that were formed entirely by wind and water. The formation process usually begins when the sea creates cracks in the …

A sea stack is a geological landform characterized by a steep, often vertical, column of rock situated in the sea, separate from the mainland cliff or headland.

Jun 21, 2025 · Discover the fascinating geology of sea stacks: this article delves into the formation, evolution, and unique features of these coastal landforms.

Aug 1, 2025 · Discover 10 of the world’s most breathtaking sea stacks—towering ocean sculptures shaped by time, myth, and the relentless power of nature.

Mar 2, 2025 · From the rugged cliffs of Ireland to the serene beaches of Australia, these most beautiful sea stacks in the world captivate the imagination and draw visitors from around the globe. Exploring …

A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion.

Mar 4, 2025 · Sea stacks provide critical habitats for seabirds, marine mammals, and intertidal species. Their isolated nature offers protection from predators, and the surrounding waters are often rich in …

In coastal landforms: Sea stacks Erosion along rocky coasts occurs at various rates and is dependent both on the rock type and on the wave energy at a particular site.