# OS Detailed Path Network Documentation

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#### Product nearing its End of Life (withdrawal) date

The OS Detailed Path Network product will become End of Life on 30 September 2026. As of this date, Ordnance Survey will cease to maintain or publish updates to the product, and access to the product will be removed from the OS Data Hub, OS Features API and OS Vector Tile API. The final product update will be the October 2025 update.

Further information and details about the recommended product migration pathway are available on the [End of Life Product Notices page](https://docs.os.uk/os-downloads/resources/product-resources/end-of-life-product-notices).
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OS Detailed Path Network is a fully-connected, heighted path network covering Britain’s National Parks. Create off-road navigation apps, build exciting navigation websites and apps that help your users find great routes and stay on the right track.

<figure><img src="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FTmXRWl7SiF1eF7a1nQTH%2Fimage.png?alt=media&#x26;token=6e70a04d-39f3-4ef8-ac6d-72fe4383e9ef" alt="Detailed Path Data covering National Parks in Britain"><figcaption><p>Detailed path data covering National Parks in Great Britain.</p></figcaption></figure>

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{% tab title="Benefits" %}
**Path and track routing dataset**

OS Detailed Path Network gives you the data attribution you need to suggest routes tailored to activities; this might be an easy, 1-hour walk on man-made surfaces, or a 15mile, circular cycle ride from a car park.

**Suggest routes users will love**

Create off-road navigation apps and build exciting navigation websites and apps that help your users find great routes and stay on the right track.

**Encourages responsible routing**

For National Parks stakeholders, apps and websites that draw on this data will help promote the responsible use of your paths, trails and cycle routes.

**Provides optimised routes**

As a member of the Emergency Services, if your navigation devices use this data, you'll see how steep the climb to an incident will be, so you can choose the best route.

**Created with local experts**

OS Detailed Path Network is the first OS path and track network product for the rural environment. The product has been created and tested by OS with input from local area specialists to ensure the product reflects what's on the ground.
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{% tab title="Use Cases" %}
The OS Detailed Path Network product has been created to allow developers and OS Partners to design and provide bespoke applications to provide routes within Great Britain's National Parks for pedestrians, cyclists and horse riders, including:

* Advanced route planning
* Live route planning
* Turn-by-turn instructions
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{% tab title="Summary" %}

* **Access:** Download via the [OS Data Hub](https://osdatahub.os.uk/)
* **Data theme:** Transport
* **Data structure:** Vector – Topologically structured link and node network
* **Coverage:** Great Britain
* **Scale:** 1:1 250 to 1:10 000
* **Format:** GeoPackage, vector tiles, GML 3.2 Simple Features
* **Ordering area:** All of Great Britain (National Parks only)
* **Publication month:** October

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Please note that the October 2025 release was the final release of the OS Detailed Path Network product; more information about the product withdrawal timeline and the recommended product migration pathway is available from the [End of Life Notice – Detailed Path Network](https://docs.os.uk/os-downloads/resources/product-resources/end-of-life-product-notices/end-of-life-notice-os-detailed-path-network) page.
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{% tab title="Additional Information" %}
**Responsible routing**

For National Parks stakeholders, apps and websites that draw on this data will help promote the responsible use of your paths, trails and cycle routes.

**Optimised routes**

As a member of the Emergency Services, if your navigation devices use this data, you'll see how steep the climb to an incident will be, so you can choose the best route.

**Created with local experts**

OS Detailed Path Network is the first OS path and track network product for the rural environment. The product has been created and tested by OS with input from local area specialists to ensure the product reflects what's on the ground.
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## Sample data <a href="#sample-data" id="sample-data"></a>

### Download OS Detailed Path Network sample data <a href="#download-os-egs-sample-data" id="download-os-egs-sample-data"></a>

You can download sample data for the product for free from the [OS Data Hub](https://osdatahub.os.uk/data/downloads/sample/OsDetailedPathNetwork). The sample data is available in GML 3.2 format and covers one area (Dartmoor).

## Other ways to access this data

OS Detailed Path Network data is available from our [OS Features API](https://docs.os.uk/os-apis/accessing-os-apis/os-features-api), providing access to detailed geometries and rich attribution of individual features using an interoperable standard that's compatible with most GIS software and web mapping libraries. [Visit the OS API docs site](https://docs.os.uk/os-apis) to unlock programmatic access to rich geospatial data and integrate OS data and services into your applications

Access to OS path data is also available through the [OS NGD Transport Theme](https://docs.os.uk/osngd/data-structure/transport), providing data that is interoperable with other OS NGD themes, improved data structures, and a data schema designed to be easier to use and interrogate. Users may find OS NGD Transport Theme data more accessible and easier to use with databases and GIS software. [Visit the OS NGD docs site](https://docs.os.uk/osngd) to discover how to access the OS NGD and learn what's available to users.

## What's next?

To access additional documentation and resources relating to this product, please refer to the following:

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h4>Overview</h4></td><td>The overview introduces OS Detailed Path Network and gives context for all users – highlighting key features, providing examples of uses, and listing details such as file sizes, supply formats, etc.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Detailed Path Network product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FOFJG1nnYvzJl8Osz8MzR%2FDetailed-Path-Network-1.png?alt=media&#x26;token=5dd5c1b5-d93d-4cd7-91dc-0ac41e18aea2">Detailed-Path-Network-1.png</a></td><td><a href="os-detailed-path-network/os-detailed-path-network-overview">os-detailed-path-network-overview</a></td></tr><tr><td><h4>Getting Started Guide</h4></td><td>The getting started guide provides instructions for using OS Detailed Path Network in different software applications. Users with limited technical knowledge will be able to follow this guide.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Detailed Path Network product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2F97RUW0UL6VdJsYgd9kwl%2FDetailed-Path-Network-2.png?alt=media&#x26;token=bbc45cd0-02f6-4a18-9393-f36061a49e69">Detailed-Path-Network-2.png</a></td><td><a href="os-detailed-path-network/os-detailed-path-network-getting-started-guide">os-detailed-path-network-getting-started-guide</a></td></tr><tr><td><h4>Technical Specification</h4></td><td>The technical specification provides detailed technical information about OS Detailed Path Network. It is targeted at technical users and software developers.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Detailed Path Network product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FvWimfhkP6VrgMO0NoRqW%2FDetailed-Path-Network-3.png?alt=media&#x26;token=43a506da-211e-41cb-bdbf-7aa1181be347">Detailed-Path-Network-3.png</a></td><td><a href="os-detailed-path-network/os-detailed-path-network-technical-specification">os-detailed-path-network-technical-specification</a></td></tr><tr><td><h4>Downloads</h4></td><td>The downloads page provides links and resources to support the application of OS Detailed Path Network within your environment.</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS Detailed Path Network product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FNaSEihkH4Y0FvoSx3gqp%2FDetailed-Path-Network-5.png?alt=media&#x26;token=887d4e0a-c6f0-4cb7-a97a-a7e5345860dd">Detailed-Path-Network-5.png</a></td><td><a href="os-detailed-path-network/os-detailed-path-network-downloads">os-detailed-path-network-downloads</a></td></tr></tbody></table>

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New users should start with the Overview to gain high-level insight into the product. The Getting Started Guide will help you to begin using product data in different software systems. The Technical Specification contains detailed technical insights.
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