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Spiral Observation Structure Crafted from Weathering Steel and Local Timber in a Biosphere Reserve

Author:
Nicholas Christie
Spiral Observation Structure Crafted from Weathering Steel and Local Timber in a Biosphere Reserve

Project in-detail

Crafted from locally sourced timber and weathering steel, the spiral observation structure offers expansive views within a protected biosphere, seamlessly merging design with nature to enhance visitor engagement with the landscape.
5 key facts about this project
01
Constructed using locally sourced spruce, enhancing sustainability and regional identity.
02
Features a spiral design that mimics the natural movement of grass blades.
03
Provides a unique dual lighting system for both observation and social engagement.
04
Incorporates an elevator within the central core, maintaining the organic aesthetic.
05
Utilizes weathering steel for structural integrity while harmonizing with the natural landscape.
The "Leaves of Grass" Kurši Observation Tower is an architectural project located in the North Vidzeme Biosphere of Latvia. This structure integrates functional and aesthetic elements that align with its natural surroundings. Standing at 23 meters tall, the tower is designed to enhance the experience of visitors, allowing for expansive views of the diverse local flora and fauna.

The tower represents an exploration of organic forms within architecture, drawing inspiration from the visual language of grasses. Its spiral design mimics the natural movement of grass blades, inviting visitors to embark on a journey through the landscape. The architectural approach emphasizes sustainability and a seamless connection with the environment, essential for maintaining balance within the biosphere.

Unique Design Approaches

A defining characteristic of the Kurši Observation Tower is its innovative use of locally sourced materials. The primary structure utilizes Latvian spruce timber, which not only supports the building's integrity but also resonates with local ecological principles. Weathering steel is incorporated for the supporting columns and staircases, contributing to both functionality and aesthetic appeal—a rusting finish that harmonizes with the natural setting. This material selection reflects a commitment to sustainability and regional authenticity, which is integral to the project’s identity.

The observation cabin, located at the top of the tower, provides panoramic views through full-height glass walls, enabling an unobstructed visual connection with the environment. Inside, the cabin features designated areas for relaxation and contemplation, exemplifying the intersection of utility and comfort. The design includes a lounge space and a study desk, each strategically positioned to enhance engagement with the surrounding scenery.

The tower's unique lighting design further enhances its function. With two distinct modes—observation and social—lighting is carefully integrated to ensure safety during nighttime visits and maintain an inviting atmosphere within the cabin.

Structural Elements and Accessibility

The tower features a spiral staircase and an elevator located within its central core, promoting accessibility for all visitors. This thoughtful design choice supports ease of movement throughout the structure while reinforcing its organic aesthetic. The elevator mechanism showcases a blend of engineering precision with architectural elegance.

Additionally, the project incorporates advanced climate control systems that operate discreetly, ensuring a comfortable environment throughout the year. The combination of radiant heated floors and chilled ceilings serves to optimize energy efficiency while minimizing environmental impact.

For an in-depth understanding of the "Leaves of Grass" Kurši Observation Tower, it is advised to explore the architectural plans, sections, and designs. Reviewing these elements will provide greater insight into the project's innovative approach and intricate details. This project serves as an example of how architecture can harmonize with its environment while meeting the needs of its users.
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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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