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Basalt Concrete Integration with Natural Terrain in a Geothermal Visitor Center

Authors:
Dorottya Ligetvári, Enikő Kosztolányi, Csenge Ligetvári
Basalt Concrete Integration with Natural Terrain in a Geothermal Visitor Center

Project in-detail

Blending basalt concrete with the rugged Icelandic landscape, the geothermal visitor center emerges as a sustainable hub that invites exploration of the region's unique geological features.
5 key facts about this project
01
The project incorporates basalt concrete, reflecting local geological characteristics.
02
A sunken first floor minimizes visual disruption while enhancing environmental integration.
03
Large glass panels maximize natural light and connect visitors to the surrounding landscape.
04
Geothermal heating reduces energy consumption by utilizing the site’s natural resources.
05
The design features a modular layout, accommodating diverse visitor activities and education.
The Grjótagjá Cave Tower & Visitor Center is an architectural project located in Iceland, designed to harmonize with the unique geological context of the area. It is situated in close proximity to the Grjótagjá cave, a region notable for its geothermal features. This project serves multiple functions, including visitor amenities, educational spaces, and relaxation areas, aimed at enhancing the user experience while minimizing ecological impact.

The architectural approach integrates the natural landscape and the existing tectonic features, using materials that reflect the local geology. The tower provides panoramic views of the surrounding fissures and geothermal landscapes, facilitating a direct connection between visitors and the site's natural beauty.

The design facilitates a dual-purpose experience, enhancing interaction with both the cultural and natural dimensions of the location. The facility serves as a visitor center equipped with amenities such as cafes, changing rooms, and educational exhibition spaces that showcase the geological and cultural significance of the area.

Architectural Integration with Landscape

What sets this project apart from other visitor centers is its thoughtful integration with the surrounding landscape. The building features a sunken first floor that merges seamlessly with the rocky terrain, allowing for a more naturalistic approach to architecture. This design choice minimizes visual disruption while encouraging visitors to engage with the geological context.

The use of basalt concrete and recycled materials reflects a commitment to sustainability. The building’s elevated tower component enhances visitor perspectives, making the tectonic features of the site more accessible and visible. The transparency created by large glass elements further reduces the visual barrier between the interior and the exterior, inviting natural light and framing the picturesque views.

Sustainability and Functionality

The Grjótagjá Cave Tower & Visitor Center emphasizes environmentally responsible design principles. Incorporating geothermal heating not only reduces energy consumption but also promotes the region’s natural geothermal activity. Each construction material is carefully chosen to maintain an ecological balance, utilizing locally sourced resources to minimize the carbon footprint of the project.

The layout of the facility supports various visitor activities, from educational exhibits to casual dining experiences. Specialized sections are designed for functionality and flexibility, accommodating diverse visitor needs while maintaining a cohesive architectural vision.

For more information, to explore architectural plans, sections, and designs, consider delving deeper into the presentation of this project. An examination of the architectural ideas and design methodologies employed will provide valuable insights into its unique attributes and operational efficiencies.
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100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

Microhome

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € PRIZE FUND / KINGPSAN EDITION #10 IDEAS COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Early bird registration deadline 22 May 2025
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