Set against Iceland’s volcanic terrain, ION Adventure Hotel rises from a rugged mountainside within Thingvellir National Park. The minimalist structure stands on stilts above moss-covered lava fields. Although it sits just 45 minutes from Reykjavik, the property feels entirely removed from the capital’s pace. Instead, it offers a design-driven retreat shaped by Nordic architecture and raw natural beauty.

ION Adventure Hotel Entrance. Photo via MarriottDesigned by Californian studio Minarc, the hotel embraces its remote setting through sharp geometric lines and expansive glass walls. These frame views of Lake Thingvellir, distant peaks, and the surrounding geothermal landscape. Meanwhile, the environment transforms with the seasons — from the glow of the midnight sun to winter nights illuminated by the Northern Lights. As a result, the hotel remains compelling throughout the year.

ION Adventure Hotel swimmpool. Photo courtesy of Marriott

The outdoor geothermal plunge pool and spa terrace form the heart of the experience. Here, mineral-rich waters sourced from nearby volcanic springs overlook vast lava fields and open sky. Above the pool, the Northern Lights Bar provides a dramatic yet relaxed setting. Guests gather over cocktails while vaulted windows capture Iceland’s shifting light.

ION Adventure Hotel Lava Suite. Photo via Marriott

Inside, guest rooms reflect a restrained Nordic aesthetic defined by muted tones and industrial textures. Dark wooden floors, sculptural lighting, and abstract photography inspired by Icelandic horses create a quiet sense of place. In addition, sustainable details — including water-saving showers, organic linens, and locally sourced bath products — reinforce the hotel’s connection to its environment. Larger suites feature floor-to-ceiling windows with views of Mount Hengill and the nearby geothermal power station.

ION Adventure Hotel Silfra Restaurant. Photo courtesy of Marriott

Dining at Silfra restaurant highlights seasonal Icelandic ingredients presented with understated elegance. The menu draws from nearby farms and fisheries, showcasing Arctic char, lamb, and local produce. Meanwhile, craft beers and Nordic-inspired cocktails complement a culinary approach rooted in simplicity rather than excess.

ION Adventure Hotel Lobby. Photo Marriott

Beyond the hotel, Thingvellir National Park offers some of Iceland’s most extraordinary natural landmarks. Guests can explore the tectonic rift at Silfra, where the Eurasian and North American plates meet beneath crystal-clear waters. Alternatively, they can venture to nearby geysers, waterfalls, and volcanic craters along the famed Golden Circle. During winter, the hotel’s remote setting provides a dramatic vantage point for viewing the aurora borealis. Staff even offer wake-up calls when the skies come alive with color.

Ultimately, ION Adventure Hotel represents a distinct vision of Nordic luxury. Rather than relying on opulence alone, it connects guests to landscape, design, and the elemental beauty of Iceland.