If you’ve got kids and grandparents in tow I’d wouldn’t recommend the Ladybower Inn as a good spot to stay. It’s in a fantastic location for easy access to walking and riding (and climbing for that matter) but if you weren’t doing any of those you’d feel a bit isolated. It’s also on the main A57 between Sheffield and Manchester, so not a peaceful location for just pushing a pushchair from and not much to do other than outdoor activities.
The Peak District is not huge and if you stay fairly central (e.g. Buxton or Bakewell) you have loads nearby. Bakewell is the prettier town but the Pavilion Gardens in Buxton is a fantastic spot for kids and grandparents. Although technically not in the Peak District, Buxton has great riding from the doorstep and places like the Hope Valley are not even 30 minutes away.
Matlock Bath for Heights of Abraham cable car, Riber Castle (and zoo) and a high street by the river that almost feels a bit like a seaside town.
Loads of pretty villages; easy strolls down the Manifold Trail followed by a pub lunch at Hulme End, Hartington, Warslow… take your pick. It’s a little quieter in this Staffordshire end of the National Park. Just a little 🙂
Outdoor swimming pool at Hathersage; another nice village with amazing outdoor activities on the doorstep. Another one that gets busy.
If I didn’t have to get back to work I’d keep going…