Swan Island

Walking across the mudflats towards this sliver of woodland feels like approaching another world entirely. Swan Island sits in the Humber estuary near Hull, accessible only at low tide when you can wade across the shallow waters that separate it from the mainland. It's not your typical forest experience - more like stumbling upon a secret grove that the sea occasionally claims back.

The island supports a small but dense woodland that feels wonderfully isolated from the industrial backdrop of the Humber. Bird watchers will have a field day here, with the mix of saltwater and freshwater habitats attracting everything from waders to woodland species. The contrast is rather striking - one moment you're squelching through estuary mud, the next you're under a canopy of trees with the sound of waves lapping nearby.

Timing is everything with Swan Island. You'll need to check tide tables carefully, as getting stranded would be properly unpleasant. The walk across isn't suitable for young children or anyone with mobility issues. It's really one for adventurous adults who don't mind getting their boots muddy and fancy something completely different from the usual coastal walks.

For those staying at nearby holiday parks like Cowden or Sea View Country Park, this makes an unusual half-day expedition. Just remember waterproof boots are essential, and telling someone your plans is sensible given the tidal access.