abstract from the slate

When we moved to Bangor in 2022, the couple we bought our house from had told us that there was an underground river running at the bottom of our street. I'd spent the previous 18 months walking the routes of the hidden rivers that flow underneath the streets of London, so this was a sign to me that we'd chosen the right town to move to. That river flowing under Bangor is the Adda. Over the last two and a half years, I've walked the route of the Adda countless times, from its source near a retail carpark on the edge of town, through the centre of Bangor, to where it trickles out into the Menai Strait at Hirael Bay. Bangor is built in the valley of this river, so just walking into town from our home leads me along its path. Although the Adda runs entirely underground, if you look carefully you'll spot signs of its existence. When it rains, which is most of the time, you might see sandbags outside the now closed Poundland in the city centre, or hear water loudly flowing u...