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Nallo 2 GT

Swedish tunnel tent — the four-season standard for serious trekking.

Expert reviewed

Topic summary

Swedish tunnel tent — the four-season standard for serious trekking.

Key takeaways

  • Kerlon 1200 outer tent fabric
  • Extended GT vestibule for extra space
  • Single-pitch tunnel design
  • Two-person capacity
  • Four-season capable construction
  • Exceptional strength-to-weight ratio for four-season use

Intended uses

  • Extended backpacking trips
  • Alpine expeditions
  • Winter camping
  • Expedition basecamp

Verification notes

Evidence: expert reviewed. Specifications verified from manufacturer data. Last verified July 14, 2026.

Catalog photo
Real product photography — no AI-generated or placeholder imagery.

Editorial take

The Hilleberg Nallo 2 GT is a classic for good reason, offering a strong, reliable shelter for two people plus significant gear in an extended vestibule. As a tunnel tent, its strength-to-weight ratio is impressive, handling high winds and snow loads far better than most alternatives in its weight class. Hilleberg's attention to detail is evident in the Kerlon fabric — specifically, the Kerlon 1200 on the Nallo series, which is a silicone-coated nylon known for its tear strength and UV resistance, without adding excessive bulk or weight. The single-pitch design, where the inner and outer tents go up together, is a huge advantage in foul weather, minimizing exposure during setup. While not freestanding, its stability once pitched correctly is rock solid, making it a dependable choice for exposed camps.

What sets the GT apart is that cavernous extended vestibule. This isn't just a gear dump; it's a legitimate living space or cooking area, allowing you to stretch out or organize gear in comfort during extended trips or bad weather. This space is often the deciding factor for users who prioritize comfort and functionality over the absolute lightest weight. The ventilation, while good for a tunnel tent with vents at both ends, still requires careful placement in very humid conditions to manage condensation, especially with the single-wall inner tent design inherent to many Hillebergs. It's a design that prioritizes weather protection and durability above all else, which means a slight trade-off in airflow compared to mesh-heavy, three-season domes.

Ultimately, the Nallo 2 GT delivers on its promise of being a dependable, four-season capable shelter for serious trekkers and backpackers. It's built to last, engineered to perform when conditions turn ugly, and offers a remarkable amount of usable space for its packed size and weight. While there are lighter tents out there, few can match its combination of robust construction, storm-worthiness, and the luxury of that GT vestibule without significant compromises in durability or interior volume. It's a long-term investment for those who spend serious time in demanding environments, particularly where three-season tents simply won't cut it.

Best for

  • Extended backpacking trips
  • Alpine expeditions
  • Winter camping
  • Expedition basecamp

Not ideal for

  • Not freestanding, requires careful guying for stability
  • Ventilation can be challenging in very humid conditions
  • Higher price point than many comparable tents
  • Tunnel design takes up a larger footprint than dome tents
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Verified specifications

Materials
Kerlon nylon
Country of manufacture
🇸🇪 Sweden
Key features
  • Kerlon 1200 outer tent fabric
  • Extended GT vestibule for extra space
  • Single-pitch tunnel design
  • Two-person capacity
  • Four-season capable construction

Warranty and repair information: contact Hilleberg directly for the most current terms. Hilleberg support

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