Snowdonia — Eryri in Welsh, and increasingly by its proper name — is the mountain heart of Wales: 2,100 square kilometres of glaciated peaks, deep valleys and slate-scarred hillsides in the country's north-west. At its centre stands Yr Wyddfa, the highest mountain in England and Wales at 1,085 metres, ringed by some of the most dramatic ridgelines in Britain.
This is compact, concentrated mountain country. Within a short drive of the Ogwen Valley you've got the knife-edge of Crib Goch, the broken towers of the Glyderau, the great whaleback of the Carneddau, and Tryfan — the only peak in Wales you can't reach without using your hands. It's also home to the Welsh 3000s: fifteen summits over 3,000 feet, strung into one of the UK's classic endurance challenges.
There's culture woven through all of it. This is a Welsh-speaking stronghold, its slate landscape now a UNESCO World Heritage Site, and the names on the map carry centuries of it. Come for the summits and you'll leave with a sense of the place that goes well beyond the walking.
Booking through GBAC puts you with a qualified local Mountain Leader who knows these hills in cloud and clear — the safe lines on Crib Goch, the honest pace for the 3000s, the difference a day's weather makes here. Small groups, kit available to hire at checkout, and a straight account of what you're taking on.
The main bases are Llanberis, Betws-y-Coed and the Ogwen Valley. Trains run to Bangor and along the Conwy Valley line to Betws-y-Coed, with buses into the park from there. Most people drive; meeting points and parking are confirmed when you book.
The fifteen Welsh peaks over 3,000 feet, traditionally linked in a single sub-24-hour push of around 30 miles with a lot of ascent. It's a serious mountain day — our guided and fastpacking versions break it down and pace it properly, but it asks for real fitness.
For the navigation and skills courses, no — they're built to teach the basics. For the bigger objectives like the 3000s or the exposed ridges, you'll want some hill experience and a head for steep ground. Each trip page is clear about who it's for.
Ranges by trip. Skills days are accessible to most reasonably active people; the 3000s and long ridge routes demand genuine endurance and strong legs on descent. If you're not sure you're ready, message us and we'll give you an honest read before you commit.
Your guide brings group safety and navigation kit. Mountain footwear and layers you'll usually bring yourself; each trip page lists exactly what's needed. On overnighters or wild camping trips, gear bundles can be rented as part of the checkout process.
May to September gives the most settled conditions and longest days, which matters for the big routes. Spring and autumn are quieter and often beautiful but less predictable. Winter turns these hills into full mountaineering terrain and isn't for casual visits.
Wet, is the honest answer — Eryri catches Atlantic weather and Yr Wyddfa is one of the cloudiest spots in Britain. It also changes fast. That's exactly why you go with someone who reads the forecast and picks the right hill for the day rather than pushing on regardless.
There's no general legal right to wild camp in Wales — it needs the landowner's permission. Where our overnight trips camp, that's arranged in accordance with local regulations by your guide, so you're doing it responsibly. Your guide handles the where and how.
Both — Eryri is the Welsh name and the national park now leads with it, along with Yr Wyddfa for the main summit. You'll see both in use. We use them side by side.
Eryri is compact but genuinely serious — the accident rate on its ridges is high, mostly from people underestimating them. Your guide carries safety and comms kit, is first-aid qualified, and plans escape routes. You get the big-mountain experience with the judgement to match.
Eryri gets under your skin faster than almost anywhere in Britain. It's the density of it — the way a single valley can hold an easy lake path, a bad-weather escape, and a route that'll test anyone, all within sight of each other. You can spend a weekend here or a lifetime and never quite feel you've finished.
If you're new to it, start with a skills course or a guided day on a friendlier summit. You'll come away reading a map with more confidence and knowing how these hills actually behave — which is worth far more than ticking Yr Wyddfa off a list in the cloud with everyone else.
When you're ready for the big stuff, this is where it lives. The 3000s, the Snowdon Horseshoe, the long Carneddau days — objectives that stay with you, done at the right pace with someone who's been there in every mood the weather has. That's the difference between an epic and an ordeal.
Either way you'll get the real Eryri: slate and cloud, a summit earned rather than assumed, and that particular Welsh mountain light when the weather finally breaks. Have a look at the trips below and find the one that matches where you are — then come and meet the hills properly.