30/08/2026
๐ ONE LAST SUMMER HURRAH! | WHATโS ON BANK HOLIDAY MONDAY ๐
๐
Monday 31 August | Cardiff + nearby
We made it ๐๐ The VERY last day of the summer holidays is here, so if you fancy squeezing in one final family day out before the school bags, alarm clocks and packed lunches returnโฆ thereโs actually loads happening!
Weโve pulled together some of the best ideas across Cardiff and nearby โ including FREE events, Cardiff Bay fun, history, castles and a few worth-the-drive options.
๐ SAVE THIS POST for tomorrow!
๐ = FREE
๐ = Worth the drive
๐ FREE FAMILY FUN DAY โ BOOMERANG CARDIFF ๐
๐ Templar Parc, Eastmoors Road, Splott, Cardiff CF24 5EW
โฐ 10amโ1pm
A lovely FREE community fun day with:
๐ฐ Bouncy castle
๐ต Music
๐จ Arts & crafts
๐๏ธ Tombola
๐ Games
Thereโll also be a tuck shop and trailer kitchen selling hotdogs, hot food, hot drinks and cold drinks.
โช LLANDAFF CATHEDRAL SUMMER FAIR ๐
๐ Llandaff Cathedral
โฐ 11amโ3pm
A lovely local Bank Holiday option with artisan craft stalls, live music and family activities.
๐ก CARDIFF BAY FAMILY FUN PARK โ FINAL DAY
๐ Roald Dahl Plass, Cardiff Bay
โฐ 11amโ8pm
One last chance for the summer funfair! Expect dodgems, childrenโs rides, fun house, runaway train, bungee trampolines, water walkers, games and food stalls.
๐ท Rides and attractions individually priced.
๐๏ธ CRAFTFOLK BANK HOLIDAY MARKET โ FINAL DAY
๐ Upper Roald Dahl Plass
โฐ 10amโ5.30pm
Browse independent makers and craft stalls alongside demonstrations and childrenโs workshops.
๐ฅ BUTETOWN CARNIVAL โ FINAL DAY
๐ Butetown / Cardiff Bay
โฐ 12pmโ9pm
A brilliant celebration of culture and community with carnival festivities, live music, drumming, dancing, performances, family activities, food and stalls.
๐จ FREE BANK HOLIDAY ACTIVITIES AT THE SENEDD ๐
๐ Senedd, Cardiff Bay
There are free family activities running alongside the Bank Holiday celebrations, including a Printhaus drop-in session from 12pmโ3pm, plus the Find Fflam trail.
No booking needed for the drop-in activities.
๐๏ธ ST FAGANS โ STEP INTO HISTORY ๐
๐ St Fagans National Museum of History
๐๏ธ Museum: 10amโ5pm
๐ฐ๏ธ Step Into History: 11amโ4pm
Thereโs loads happening for the final day:
๐ Step Into History activities
๐๏ธ South Wales Makers Market 10amโ5pm
๐ Traditional fairground rides from ยฃ1
Museum entry is FREE.
๐ Parking ยฃ7 | Blue Badge parking free.
โ๏ธ HELIOS โ FINAL DAY ๐
๐ National Museum Cardiff
โฐ 10amโ5pm
If you havenโt seen it yet, tomorrow is the LAST chance to see Luke Jerramโs huge seven-metre Sun installation, Helios.
The museumโs Summer of Fun trail also finishes tomorrow.
๐ท FREE.
๐ CHEPSTOW RACECOURSE BANK HOLIDAY FAMILY FUN DAY ๐
๐ Chepstow Racecourse
๐ช Gates 11.45am
๐ First race 1.45pm
This is a big one for families!
๐พ Paw Patrol meet & greets
๐ก Unlimited funfair rides included
๐ง Childrenโs DJ + kidsโ disco
๐จ Face painting
๐คน Stilt walkers
โฝ Football freestyler
๐ค KPOP Superstars
๐ Live racing
๐ง Under-18s go FREE with an accompanying adult.
๐ฐ GO WILD โ CAERPHILLY CASTLE
๐ Caerphilly Castle
โฐ 11amโ3pm
A nature-themed quest around the castle with hands-on crafts and activities.
No separate event booking required, but normal castle admission applies.
โ๏ธ ROMANS IN RESIDENCE โ CAERLEON ๐ ๐
๐ National Roman Legion Museum
โฐ 10.30amโ4pm
Meet Roman characters and discover what life was really like almost 2,000 years ago.
๐ท FREE and drop-in.
You can also book the Gladiators sessions:
โฐ 10.30am | 11.30am | 1.30pm | 2.30pm
๐ท ยฃ4.50
โ๏ธ THE GREATEST KNIGHT โ TINTERN ABBEY ๐
๐ Tintern Abbey
โฐ 10.30amโ4.30pm
A brilliant medieval living-history day celebrating William Marshal and Isabel de Clare, with re-enactment and historical displays.
Normal Tintern Abbey admission applies.
๐ GREAT BRITISH FOOD FESTIVAL โ MARGAM PARK ๐
๐ Margam Country Park
โฐ 10amโ5pm
Street food, artisan producers, live chef demonstrations, music, childrenโs activities and all the usual Margam Park fun.
๐ถ Under-5s free
๐ Parking included with festival admission.
๐ธ DYFFRYN GARDENS โ THE OTHER BENNET SISTER EXHIBITION
๐ Dyffryn Gardens
โฐ 12pmโ3pm
Tomorrow is also the final day of the exhibition inspired by The Other Bennet Sister.
Included with normal Dyffryn Gardens admission.
๐ AND A LITTLE MONEY-SAVING TIP!
Tomorrow is the final day of the Cardiff Bus ยฃ6 Summer Family Travel Saver.
Available through the Cardiff Bus app for unlimited day travel for qualifying families โ handy if youโre heading into town or Cardiff Bay without the parking headache!
๐ And thatโs a wrap on our Summer Survival posts!
We hope theyโve helped make the six weeks just a little easier โ whether youโve discovered somewhere new, found a free day out, survived a rainy day or just needed an idea when everyone was climbing the walls ๐
But weโre definitely not disappearing when school starts!
From September weโll still be bringing you:
โจ Weekend family plans
โจ Things you donโt want to miss
โจ Free & low-cost ideas
โจ After-school activities
โจ Classes & clubs
โจ Cardiff Mums offers & discounts
โจ Competitions
โจ And plenty more local finds
Have the loveliest last Bank Holiday Monday of the summer.
๐ What are you doing for the final day?