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Viewing tower with a tapered concrete silhouette and sustainable cross-laminated timber elements in a rugged volcanic landscape

Authors:
Takahiro Moriya, Yuta Watanabe
Viewing tower with a tapered concrete silhouette and sustainable cross-laminated timber elements in a rugged volcanic landscape

Project in-detail

Nestled within Iceland's volcanic landscape, this viewing tower features a tapered concrete form and integrates cross-laminated timber, offering visitors a unique perspective on nature while emphasizing sustainable materials and design.
5 key facts about this project
01
- The structure features a tapered design that mimics the verticality of surrounding volcanic formations, enhancing its integration with the landscape.
02
It utilizes a geothermal heating system that harnesses local hot spring resources, minimizing energy use while providing comfortable interior conditions.
03
Cross-laminated timber panels are employed not only for their sustainability but also for their acoustic properties, enhancing the auditory experience within the tower.
04
Charred wooden shingles are used on the exterior for their ability to naturally resist weathering and provide a unique aesthetic that connects with regional building traditions.
05
The observation decks are designed to be responsive to the shifting natural light, enabling dynamic views of the landscape throughout the day.
The Iceland Cave Tower is a thoughtfully conceived architectural project that seamlessly blends functionality with its natural surroundings. Located in the rugged terrain of Iceland, this structure draws inspiration from the island's unique geological features, particularly its cave formations. The design reflects a strong understanding of the environment, resulting in a building that promotes both exploration and appreciation of the natural landscape.

At its core, the Iceland Cave Tower serves as a public facility that encourages visitors to engage with the breathtaking vistas surrounding the site. The building's unique form—tapering upwards—mirrors the natural rise of the topography and pays homage to the strength found in Iceland's geological formations. This architectural design choice enhances the user experience while providing efficient wind resistance, an essential consideration for structures in this region.

The project represents a blend of art and functionality, with spaces designed for both gathering and solitude. The interior layout supports a range of activities, from communal gatherings to quiet reflection. The design encourages movement through various levels, with observation decks strategically placed to offer sweeping views of the Icelandic landscape, thereby enriching the visitor experience.

Materiality plays a significant role in the project's conception, with materials chosen for their sustainability and contextual relevance. Reinforced concrete serves as the primary structural element, ensuring durability. In contrast, lighter materials like wood and steel are utilized in upper sections to create an airy and inviting atmosphere. The integration of glass not only allows for natural light to illuminate the interior but also connects occupants visually with the stunning exterior views.

Moreover, the choice of materials includes local stone, which further emphasizes the building's relationship with its setting. This careful selection underscores a commitment to minimizing the environmental impact while promoting a sense of place. Additionally, the project incorporates environmentally friendly features, such as the use of hot spring water for heating purposes, aligning the design with principles of sustainability.

Unique design approaches are evident throughout the Iceland Cave Tower. The sloping walls and roof are not merely aesthetic; they serve vital functions in managing local weather conditions. The building’s profile aids in reducing structural stress from the prevailing winds, while also cultivating an intimate atmosphere that draws visitors into the heart of the space.

Critically, the architectural plans and sections of the tower provide valuable insights into this comprehensive design process. The ground plan illustrates a careful organization of pathways and landscaping that ensures ease of access while maintaining the tower's presence within the site. The layout of the second floor continues this momentum, featuring spaces that facilitate various social interactions and personal experiences.

The integration of the Iceland Cave Tower into its natural context illustrates a harmonious blend of architecture and landscape. This project stands out for its comprehensive approach to design, which considers not only the aesthetic outcomes but also the functional requirements of a public space within such a stunning environment. The careful consideration of the building's relationship with the landscape invites visitors to appreciate the beauty of their surroundings while enjoying the comfort of an architectural haven.

For those interested in a deeper understanding of the Iceland Cave Tower, I encourage you to explore its architectural plans, sections, designs, and ideas to appreciate the full scope of this project. This exploration will offer a greater insight into the thoughtful interplay between design and nature that characterizes this unique architectural endeavor.
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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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