Fljotsdalsherad Iceland: East Iceland's Vast Municipality

Iceland's largest municipality by area—home to Hengifoss waterfall, the country's largest forest, and the legendary Lagarfljot worm.

Updated February 1, 2026By the Iceland.org Travel Team
Population
~3,500
East Iceland • Largest municipality
Fljotsdalsherad is a vast municipality stretching from the eastern coastline deep into Iceland's highland interior. Centered around the Lagarfljot lake and river system, this region combines East Iceland's most impressive natural attractions—from the stunning red-striped cliffs of Hengifoss to the lush Hallormsstadaskogur, Iceland's largest national forest.
Safety + sourcing
Last updated: 2026-02-01

Fljotsdalsherad covers a large area. Allow extra travel time between attractions. Highland roads are only open in summer (typically June-September).

Region
East Iceland

650 km from Reykjavik

Population
~3,500

Iceland's largest municipality by area

Known for
Hengifoss & forests

Lagarfljot worm legend

Top Attractions in Fljotsdalsherad

Hengifoss Waterfall

Iceland's third-tallest waterfall with red clay stripes

Hallormsstadaskogur

Iceland's largest national forest for hiking and camping

Lagarfljot Lake

Glacial lake home to the legendary worm

Litlanesfoss

Stunning basalt column waterfall en route to Hengifoss

Skriduklaustur

Historic monastery ruins and cultural center

Snaefell Mountain

Highest freestanding mountain in Iceland at 1,833m

How to Get to Fljotsdalsherad

From Reykjavik: 7-8 hours via Route 1 (Ring Road), or fly to Egilsstadir airport in approximately 1 hour with domestic airlines.

From Seydisfjordur ferry: The Smyril Line ferry from Europe arrives in nearby Seydisfjordur, just 25 km from Egilsstadir.

Best Time to Visit Fljotsdalsherad

Summer: June-August for full access to highland roads, best hiking conditions, and lush forests. Midnight sun enhances the experience.

Autumn: September-October brings spectacular fall colors in Hallormsstadaskogur, Iceland's best autumn foliage destination.

Planning help

Fljotsdalsherad FAQs

Quick answers with safety notes where it matters.