The Castle Climbing Centre

You'll find this in an actual castle - a proper Victorian fortress that's been repurposed for climbers of all levels. The Castle Climbing Centre has converted the interior into a serious climbing gym with routes covering everything from beginner to elite, spread across multiple floors and sections. Walls are high, routes are well-designed, and the setting gives it a character you won't find in your standard leisure centre.

It works brilliantly for families wanting to introduce kids to climbing in a controlled environment, experienced climbers after a proper workout, and anyone after an unusual indoor activity that doesn't feel like just another gym. Beginners will appreciate the gentler walls and instruction available; stronger climbers get genuine challenges. The venue can get busy during peak hours, so go on a weekday morning if you want elbow room.

You'll need to pay for entry and likely hire gear unless you bring your own. Allow two to three hours if you're serious, or an hour if you just fancy a go. It's within striking distance of Lee Valley Camping and Caravan Park up in Edmonton - not the most scenic park in London, fair to say, but decent enough for a base if you're combining climbing with walking or other activities across the capital. The centre itself is easy to reach on public transport from central London, which makes it a solid option when the weather turns grim and you need an indoor activity that actually feels worth doing.