Greggs Tunnel

Just outside Carlisle, you'll find the remnants of one of Victorian Britain's more ambitious engineering projects - a railway tunnel that never quite fulfilled its grand purpose. Greggs Tunnel is what remains of the ambitious Waverley Route, and walking through it today feels like stepping into a piece of industrial heritage that most people drive right past without noticing.

The tunnel itself is accessible on foot, and it's genuinely atmospheric - you get proper echoes in there, and the brick work tells the story of mid-19th century engineering ambition. It's not a visitor attraction in the traditional sense with a café or gift shop, but that's rather the point. This is the real thing, not a sanitised museum experience.

Walkers will get the most from it, especially those interested in industrial archaeology. Kids might find it interesting for about twenty minutes - the novelty of walking through a tunnel wears off fairly quickly unless they're genuinely fascinated by railways and history. Plan for a forty-minute round trip from the nearest parking, including a decent walk across fields.

If you're camping at one of the nearby sites - Pasturewood Holidays or Englethwaite Hall are both close by - it makes for an easy morning outing without needing to plan an entire day around it. Combine it with a walk along the old railway line itself, where nature's reclaimed much of the route. Free to access, free to explore, and honest in a way that feels increasingly rare.