Svartifoss

Svartifoss earns its name — "black falls" — from the wall of dark basalt columns that hem it in on both sides, and those columns are the actual reason to come. When a thick lava flow cools slowly and evenly, the rock contracts and cracks along lines that meet at roughly 120-degree angles, the same geometry that makes soap bubbles or honeycomb efficient. Repeated across a solidifying lava sheet, the cracking produces regular hexagonal columns — here fractured, stacked, and half-collapsed into a broken colonnade around a 20-metre drop.

The columns did more than decorate a hiking trail. When architect Guðjón Samúelsson was designing Reykjavík's Hallgrímskirkja church in the 1930s, Svartifoss's basalt organ-pipes gave him the church's stepped, fluted façade — a rare case of a national landmark tracing its design straight back to one specific waterfall. The same columnar motif turns up again in Samúelsson's National Theatre building in the capital.

Getting there is part of the experience: the walk in from the Skaftafell visitor centre in Vatnajökull National Park runs through birch scrub and volcanic heath for around 30–45 minutes before the columns come into view, dark against white falling water — a scale and palette that feels deliberately architectural even though nothing here was built.

Good to know

Swimming in the pool is prohibited — it's a protected natural monument, and the rock underfoot is unstable near the base. The trail has some elevation gain and loose gravel sections.

Best time to visit

Summer keeps the trail dry and the surrounding birch woods green; the path can ice over and partially close in winter.

Getting there

192 km from Akureyri. Hornafjörður Airport (HFN) is about 90 km away.