Pushchair-friendly walk at Severn Valley, Shropshire: WWII Walk, Attingham Park

WW2 Remains, Deer. Dogs leashed for parts of the walk: https://nt.global.ssl.fastly.net/binaries/content/assets/website/natio The route is around 5.5 km. Maintained by National Trust. Details come from OpenStreetMap, so do check locally before you set out.