Pangbourne Recreation Ground

The recreation ground sits right on the Thames, just outside Wallingford, and it's a proper local favourite rather than a polished tourist draw. You get meadows that run down to the water's edge, with decent walking paths threading through and a few riverside benches if you want to stop and watch the boats pass. The whole thing feels pleasantly low-key - there's a car park, some rough grass, and enough space that you won't feel crowded even on a sunny weekend.

It's the sort of place families with younger kids will enjoy for an hour or so. There's room to run about, the Thames is lovely to look at, and if you're lucky you'll spot herons or kingfishers along the banks. Walkers heading between Wallingford and Reading might use it as a waypoint on a longer route. The paths aren't demanding, though they can get muddy after rain.

Based near Rolling Fields Glamping, you could easily combine this with a potter around Wallingford itself - the riverside there is more developed, with proper facilities and restaurants. The recreation ground works better as part of a walk than as a standalone destination. Go in spring or early summer when the meadows are decent, not winter when everything's grey and damp. Free to access, no fussing about with tickets. Realistic expectation: a nice half-hour detour, not a day-long expedition.