Eryri is one of the finest family holiday destinations in Britain — not despite its wildness but because of it. Children who might resist a conventional museum respond to the Ffestiniog Railway's narrow-gauge steam, the underground caverns at Llechwedd, a swim in a mountain lake, or the simple physical challenge of reaching a hill summit and looking out at a landscape that feels enormous. The national park has enough variety to sustain a week without repeating itself, enough rain-proof attractions to survive a bad-weather week, and enough mountain access to give children a genuine outdoor education.
Choosing a Base
| Llanberis | Best for Snowdon access, Snowdon Mountain Railway, slate heritage, Padarn Country Park |
| Betws-y-Coed | Best all-rounder — central, good shops, Conwy Valley, easy access to Swallow Falls and Conwy Castle |
| Beddgelert | Most scenic village base — Aberglaslyn Pass, Welsh Highland Railway, easier walks |
| Bala | Best for watersports families — Llyn Tegid, Bala Lake Railway |
Best Family Walks
Cwm Idwal Circuit — Easy, 4km
The most rewarding easy walk in Eryri. The path around Llyn Idwal is well-maintained, the scenery is extraordinary, and there are enough interesting features — the glacially polished Idwal Slabs, the dramatic cliffs of the Devil's Kitchen, the rare plants on the ledges — to keep curious children engaged throughout. Allow 2 hours.
Aber Falls — Easy, 4km return
A family classic. The walk through ancient oak woodland to one of Wales's most impressive waterfalls is straightforward, well-signed, and suitable for most ages. The waterfall itself — 37 metres of white water plunging into a boulder-strewn pool — produces a satisfying roar after rain. Allow 1.5–2.5 hours.
Llyn Gwynant Circuit — Easy–Moderate, 5km
A walk around one of Eryri's most beautiful lakes, with views of Snowdon reflected in still water on calm mornings. The circuit stays close to the lakeshore and involves minimal ascent. Allow 2–3 hours.
Snowdon via Llanberis Path — Moderate, 14km
Older children (typically 10+) with good fitness can climb Snowdon via the Llanberis Path — the gentlest ascent. Allow 5–7 hours and pack plenty of food, water and waterproofs. The achievement of reaching the summit is significant for children who manage it. Alternatively, the Snowdon Mountain Railway carries families to the summit without the walk.
Best Wet Weather Attractions
- National Slate Museum, Llanberis — free entry; demonstrations of slate splitting; the great water wheel
- Llechwedd Slate Caverns, Blaenau Ffestiniog — underground tram tour through Victorian mining tunnels
- Ffestiniog Railway — the steam journey from Porthmadog to Blaenau Ffestiniog is enjoyable in any weather
- Conwy Castle — towers to climb, walls to walk, a quay with cafes
- Zip World — multiple sites including Velocity (fastest zip wire in the world) and underground trampoline parks
- Portmeirion — the extraordinary Italianate village on the Dwyryd Estuary; hotel, cafes and shops
Practical Family Tips
Mountain weather changes rapidly in Eryri — pack waterproofs even on sunny mornings. Children cool down faster than adults on the hills; carry an extra layer. The Snowdon Sherpa bus network connects major trailheads and reduces the pressure of finding parking at popular starts. Most cafes in mountain villages are welcoming to families; the Pen y Gwryd hotel near Pen y Pass has excellent history and good food. Book accommodation well in advance for July and August — the national park is very popular with families during school holidays.
Independently written — Snowdon.com