OS Detailed Path Network Documentation

Here you will find all documentation for the OS Detailed Path Network product.

Product has reached its End of Life (withdrawal) date

The OS Detailed Path Network product reached its End of Life on 30 September 2026. As of this date, Ordnance Survey ceased to maintain or publish updates to the product, and removed access to the product from the OS Data Hub, OS Features API and OS Vector Tile API.

Supporting product documentation will be removed from this site 12 months after this date, when access to existing data packages in the OS Data Hub is no longer available. Full details, including migration information and FAQs, are available on the OS Detailed Path Network End of Life information page.

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.

Detailed path data covering National Parks in Great Britain.

Summary

• 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: Was yearly in October, but the final publication released in October 2025

Product has now been withdrawn

Please note that the October 2025 release was the final release of the OS Detailed Path Network product; more information about the recommended product migration pathway is available from the OS Detailed Path Network End of Life Information page.

Other ways to access this data

OS DPN product migration path to the OS Transport Network Collection and OS RAMI Collection.

Access to OS path data is available through the OS NGD Transport Theme, providing data that is interoperable with other OS National Geographic Database (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 to discover how to access the OS NGD and learn what's available to users.

Full details on migration, including FAQs and the benefits of using OS NGD data, are available on the OS Detailed Path Network End of Life information page.

OS Detailed Path Network documentation

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

Overview

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.

Getting Started Guide

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.

Technical Specification

The technical specification provides detailed technical information about OS Detailed Path Network. It is targeted at technical users and software developers.

Downloads

The downloads page provides links and resources to support the application of OS Detailed Path Network within your environment.

You 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.