This plugin for WordPress allows maps to be inserted into a page or post using the Ordnance Survey Data Hub platform which launched in 2020. It displays OS maps with their legendary level of topographical detail, making them ideal for walking, cycling, riding, and just about anything outdoors-related. You can add routes from GPX files, elevation profiles, and markers for points of interest.
The plugin takes over where the previous plugin, OS OpenSpace Maps, left off. Ordnance Survey switched off the OpenSpace server at the end of August 2021, having brought online the new OS Data Hub and its suite of APIs. The good news is that the OS Data Hub service is superior in every way. You now have access to the full 1:25,000 Explorer mapping as well as the 1:50,000 Landranger series. And the free allowances are a lot more generous, offering typically 2,000,000 map views per month.
The plugin has been rewritten too, and now uses Leaflet.js to display the maps, giving a cleaner interface and a much more responsive feel. It also includes many new features such as full screen view, coloured/numbered/lettered markers and elevation profiles.
The new plugin aims to take over seamlessly from the old one, allowing all your existing pages with to display the same maps without changing the shortcode.
The documentation is broken down into sections and there are example maps in each one.