Useful mapping tools

GPS Visulaiser https://www.gpsvisualizer.com/map_input?form=leaflet

GPX Studio https://gpx.studio/app#4.2/54.36/-3.9

Displaying Hillwalking routes on the web with GPX files and Leaflet by Alistari Shepherd https://alistairshepherd.uk/writing/hillwalking-maps-with-leaflet/

https://codepen.io/accudio/pen/YzjeBMK

Thunderforest mapping tiles https://manage.thunderforest.com/dashboard