Pack a few snacks and enjoy a fun family day out at Cottesbrooke Hall and Gardens. There's loads of space for the kids to run about and get some exercise.
You'll be spoiled for sightseeing choice when staying in Northampton. Cottesbrooke Hall and Gardens is an ideal place to start here, but there are loads of other worthy attractions to check out. Althorp House, Kelmarsh Hall, and Pitsford Reservoir - Pitsford Water Park are near the outdoor recreational space and and will cap off your day nicely.