Manchester never ceases to amaze me. Just when you think youve seen something incredible, something new pops up out of the blue and smacks you in the face like a wet fish. So what do we have for your culinary delights today then?.

Lock Stock, and apparently two smoking barrels. Named due to its presumed double pipe outfall. The currently explored section of Lock Stock include one huge overflow chamber for a trunk sewer and a smaller relief tunnel which runs about 200 meters before hitting another sewer running across and sumps underneath it.

The arches and supports in the main chamber are a smooth curved red brick supported by large iron poles. There are also several penstocks to control the flow of the sewer and release water from the relief tunnel but they are all pretty rusted. We had a little wander around, taking pictures here and there before heading back topside.

Plans are in action to find a way into the southern reaches but for now, this is where the journey ends