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Explore Iceland's stunning Stuðlagil and Hafrahvammagljúfur Canyons on a guided 9-hour tour from Seyðisfjörður, featuring basalt formations, hot springs, and hydroelectric sights.

The From Seyðisfjörður: Stuðlagil Canyon and the Highland Circle tour offers a full-day adventure through some of Iceland’s most impressive geological sites. Priced at $334 per person and lasting approximately 9 hours, this guided trip takes visitors into the heart of Iceland’s northeastern wilderness. Starting from Seyðisfjörður or Egilsstaðir, the tour combines breathtaking scenery, geological marvels, and a taste of Iceland’s engineering feats.
What makes this experience unique is the chance to see Iceland’s largest basalt column formations at Stuðlagil Canyon, along with the impressive Hafrahvammagljúfur Canyon, which is Iceland’s deepest gorge. The tour also features a natural hot spring soak, a visit to the Hálslón reservoir, and the Kárahnjúkar dam, home to one of Europe’s biggest hydroelectric power plants. The combination of natural beauty and engineering sights makes it ideal for travelers interested in geology, nature, and Icelandic innovation.
However, this tour involves moderate hiking and exposure to weather changes, so packing appropriate gear is essential. The guided format, with live English-speaking guides and carefully planned stops, ensures a smooth and informative day out.
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This tour begins with pickups either from Seyðisfjörður at The Filling Station / Food Coop or from Egilsstaðir. The transportation is by bus or coach, with a round-trip journey that covers the main highlights of Iceland’s northeastern region. The entire trip involves several stops, with some segments lasting around 1 hour and others shorter, ensuring a relaxed pace for sightseeing.
The round-trip transport is designed for comfort and convenience, allowing visitors to relax and enjoy the scenery without worrying about driving. The guides coordinate pickup and drop-off seamlessly, making it easy to plan your Iceland adventure.

The highlight of the tour is the visit to Stuðlagil Canyon, renowned for its massive basalt columns and vibrant blue-green water. The canyon is viewed from the newly renovated Grund viewpoint, which provides a spectacular aerial perspective of the basalt formations and the river. The viewing platforms and trails are carefully designed for safety, allowing visitors to appreciate the canyon’s scale and colors.
The hike to Stuðlagil is considered moderately challenging; hikers should wear hiking shoes and be prepared for variable weather. Despite seasonal changes in water appearance, the canyon remains consistently stunning and an essential stop for geology lovers.
Next, the tour ventures further into the highlands to Hafrahvammagljúfur, a 200-meter-deep gorge also called Dimmugljúfur or “The Dark Canyon.” This site earns its name because sunlight rarely reaches the bottom, creating a mysterious and dramatic landscape. The hiking here offers a close-up view of the canyon’s grandeur, with ample opportunities to capture photos of the rugged cliffs and deep crevices.
This stop lasts about one hour, giving enough time to explore the viewpoints and absorb the scale of this deepest canyon in Iceland. The area’s wilderness surroundings add to the sense of isolation and natural beauty.
More Great Tours NearbyOne of the tour’s most relaxing moments is the visit to a hidden natural hot spring. Surrounded by serene wilderness, this hot spring provides a unique bathing experience. Visitors should bring a swimsuit for the soak, but note that there are no changing rooms or facilities available at this stop.
This hot spring visit offers a peaceful break amidst Iceland’s rugged landscape, allowing travelers to unwind before continuing to the next sights. The natural setting enhances the feeling of being immersed in Iceland’s untouched environment.
On the return journey, the tour makes a photo stop at the Hálslón reservoir, which is part of Iceland’s hydroelectric infrastructure. The Kárahnjúkar dam, one of Europe’s largest, is also visited during the trip. The viewing and short visit highlight Iceland’s use of renewable energy and the scale of its hydroelectric projects.
This stop provides insight into Iceland’s commitment to sustainable energy and offers excellent photo opportunities of the dam’s impressive structure. Visitors get a glimpse of the engineering prowess behind Iceland’s electricity production.
The Kárahnjúkavirkjun Hydropower Plant, one of the biggest in Europe, is a key destination in this tour. The 15-minute visit offers a chance to see the power plant up close and learn about its role in Iceland’s energy landscape. The observation point allows for photos of the facility and appreciation of Iceland’s renewable energy infrastructure.
This sight enriches the tour by combining natural marvels with industrial achievement, illustrating how Iceland balances nature preservation with sustainable development.
The 9-hour trip includes guided commentary in English, providing context and stories about each site. The tour is designed for comfort with round-trip transportation, and pickup and drop-off are included for added convenience. The itinerary features two main sightseeing stops (Stuðlagil and Hafrahvammagljúfur), along with hot spring bathing, dam visits, and a reservoir stop.
Guests should bring warm clothing, hiking shoes, a camera, snacks, water, and rain gear, as the weather can change rapidly. The moderately challenging hike to Stuðlagil, along with outdoor exposure, makes proper footwear and clothing essential.
This experience suits adventurous travelers who appreciate geological formations, scenic hikes, and nature immersion. It’s ideal for those interested in Iceland’s natural landscapes and renewable energy infrastructure. The tour is not suitable for individuals with back or heart problems due to its outdoor activities and walking segments.
The full-day format provides a comprehensive look at Iceland’s northeastern highlights, making it perfect for travelers with a day to spare from Seyðisfjörður or Egilsstaðir.
The From Seyðisfjörður: Stuðlagil Canyon and the Highland Circle tour impresses with its combination of natural beauty and engineering marvels. The stunning basalt columns, deepest canyon, and serene hot springs create a memorable experience for outdoor enthusiasts and geology buffs alike.
While moderate hiking and outdoor exposure are required, the tour offers smooth logistics and engaging guides to enhance the adventure. For $334, the comprehensive itinerary delivers significant value, especially for those eager to explore Iceland’s less-visited northeastern landscapes.
This tour is well-suited for active travelerswho want a curated experience of Iceland’s natural and man-made wonders. Those seeking a relaxing, scenic day with opportunities to learn and photograph will find this trip rewarding.
Is this tour suitable for all fitness levels?
The tour involves moderate hiking, particularly the walk to Stuðlagil Canyon, so good footwear and physical readiness are recommended. It is not suitable for people with back or heart problems.
What should I bring on this tour?
Visitors should pack warm clothing, a camera, snacks, water, rain gear, and hiking shoes. It’s also advisable to bring a swimsuit for the hot spring stop.
How long is the hot spring visit?
The hot spring is a short stop but offers a peaceful soak amid the wilderness, with no facilities available. Plan accordingly.
What are the main highlights of this tour?
Key sights include Stuðlagil Canyon’s basalt columns, Hafrahvammagljúfur Gorge, a natural hot spring, the Hálslón reservoir, and the Kárahnjúkar hydroelectric dam.
Is transportation included?
Yes, round-trip transportation from Seyðisfjörður and Egilsstaðir is part of the package, with pickups and drop-offs arranged.
Can I cancel this tour?
Yes, free cancellation is available up to 24 hours in advance for a full refund.