14 Free Days Out and Things to Do With Kids in Monmouthshire / Sir Fynwy (Updated 2025)

Ahoy there money-savvy adventurers. 

If you're looking to for a fun and free day out, then check out these things to do with the kids in Monmouthshire / Sir Fynwy. Whether it's adventuring at Rogiet Country Park, or stepping back in time at Abergavenny Museum and Castle, there's options here to suit all ages, whatever the weather.

I've tried to make sure that all the details on here are up to date, but please do double check on the websites I've linked to before you travel in case anything has changed. Especially important: double check parking costs to avoid any nasty surprises on a day out that was supposed to be cheap, and obviously, be careful if you're visiting places with kids, especially where the terrain is dangerous (ruins, cliffs, beaches, slippy paths etc). 

Happy adventuring!

Lucy

free things to do with kids in Monmouthshire

 A nice walk, with stunning views at the top. Please note, the car park is small, and only accessible via a steep, narrow lane. 

free things to do with kids in Monmouthshire

White Castle
Abergavenny

A beautiful, well preserved ruined castle, with an outer, and an inner ward, and a moat. There's lots of space to run around playing. 

free things to do with kids in Monmouthshire

A Norman castle in wooded grounds, soak in some history, explore the trails in the 55 acres of parkland. Check out the website for the programme of events. 

free things to do with kids in Monmouthshire

Tintern
Chepstow

As well as the atmospheric ruins of a Cistercian monastery, the picturesque village is worth exploring, including the Old Station which has a play area, and children's trails. There's also the Abbey Tintern Furnace

free things to do with kids in Monmouthshire

Learn about the local history. There are lots of kids activities including colouring, puppet theatre, dressing up, a courtoom activity, and a visit to the cells. 

free things to do with kids in Monmouthshire

Explore the history of the town in the museum, and discover the 13th century castle ruins. Permanent displays in the museum include a Saddlers Shop, an Air Raid Shelter, a 1960s Welsh Kitchen, and Basil Jones' Grocery Shop. 

free things to do with kids in Monmouthshire

Learn the rich and varied history of the town in an 18th century house across the road from Chepstow Castle. There are quizzes and worksheets for kids, as well as workshops and activities. While you're there, check out Warren Slade and Park, a nearby woodland. 

free things to do with kids in Monmouthshire

The last medieval gated bridge in the UK. It was built in the late 1200s. There are information boards to read, but not much more, so it's worth popping by if you're in the area. 

free things to do with kids in Monmouthshire

Not the easiest climb, but stunning views at the top. There's an 18th century Round House (now holiday accomodation), a Naval Temple, and 9 acres of gardens and woodland.

free things to do with kids in Monmouthshire

A hidden gem, the impressive remains include walls standing up to 5m, excavated houses, market place, and Romano-British temple. 

free things to do with kids in Monmouthshire

The museum contains over 5000 artefacts, including vintage tractors, a 16th century malt barn, a Victorian cottage, a forge, carts. Kids will be excited to get hands on, and milk 'Bessie', a full size model cow. It's closed October - March. 

free things to do with kids in Monmouthshire

20 hectares of riverside meadow to explore, including small copses, streams, ponds, and the River Usk. While you're there, visit Linda Vista Gardens, and Abergavenny Museum and castle. 

free things to do with kids in Monmouthshire

Check out the map and guide. Can you spot signs of where the old railway tracks used to be? Explore the grasslands and meadow, and see what wildlife you can spy.

free things to do with kids in Monmouthshire

Another of the 'Three Castles of Gwent', alongside White Castle, and Skenfrith, built by the Normans to try and control border country. Lovely ruins in a beautiful setting. 

Feeling a Little Frazzled? 

Here's a few things I've made that'll hopefully make your life a little bit easier, a little bit more fulfilled, or simply a little bit more fun. Check out these bits along with loads of other parenting aids on the link below. 

Starting School Worksheet

Make your little mermaid's party perfect with these personalised printables including invites, signs, bunting, crafts and games. 

Things to do with kids activity pack

You know what the kids need? An epic activity pack! And it should be filled with easy activity ideas, and stickers, and personalised!

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