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Snowdon - Yr Wyddfa

1 085 m Mountain Snowdonia
1 085m
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Snowdon - Yr Wyddfa

Snowdon - Yr Wyddfa is the highest mountain in Wales at 1085 m and one of the most visited peaks in the United Kingdom. It rises above Eryri (Snowdonia National Park) with broad ridges, glacial valleys, and clear summit views on good days. The mountain is popular with walkers, runners, and climbers because it offers a range of routes from straightforward hiking paths to steeper, more technical lines.

The summit is a major landmark in north-west Wales, close to Llanberis, Betws-y-Coed, and Caernarfon. Weather can change quickly, and mist, wind, and rain are common even in summer. Despite its popularity, Yr Wyddfa remains a serious mountain where route choice, preparation, and timing matter.

Most visitors come for the classic ascent, but the mountain also has strong cultural significance in Welsh history and language. The area is well served by roads, rail, and mountain services in peak season, making it one of the most accessible high summits in the United Kingdom.

Alternative names
Gouezva, Mont Snowdon, Snoudon, Snoudonas, Snowdon, Yr Wyddfa, seunodeun san, si nuo deng shan, snwdwn, sunodon shan, Сноудон, סנודון, سنوڈن, スノードン山, 斯諾登山, 스노든 산
Elevation
1 085 m
3,560 ft
Range
Snowdonia
Coordinates
53.069, -4.076
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Mountaineering Routes

Crib Goch

3A | AD | III
Crib Goch is the classic alpine-style ridge on Snowdon and one of the most famous mountaineering routes in Britain. It is a narrow, exposed arête with sustained scrambling and significant fall exposure on both sides. The route is usually climbed in dry, settled conditions and is serious in wet, icy, or windy weather. Hands are used throughout much of the ridge, and route-finding is important, especially around the pinnacles and bypasses. It is commonly treated as a Grade 1 scramble in UK terms, but it is the most mountaineering-like of Snowdon's standard routes. The route finishes by joining the main summit ridge before the final ascent to Yr Wyddfa.
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Y Lliwedd

3A | AD | III
Y Lliwedd is a well-known mountaineering ridge on the south side of Snowdon, often climbed as part of the Snowdon Horseshoe. It offers a more serious and less frequented scrambling experience than the main walking routes. The route involves broken rock, ledges, and short steep sections, with route-finding needed in mist. It is exposed in places and can feel much more alpine than the mountain's hiking paths. In winter or poor weather it becomes a much more committing climb. It is a classic objective for scramblers and mountaineers seeking a ridge route on Snowdon.
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South Ridge

2A | PD | II
The South Ridge is a documented mountaineering line on Snowdon, rising directly toward the summit from the southern side. It is less famous than Crib Goch but still provides a genuine alpine-style ridge ascent with scrambling on rocky ground. The route is generally less exposed than Crib Goch, though it still requires care in poor visibility or wet conditions. It is valued for its directness and for giving a more mountaineering-oriented ascent than the tourist paths. The terrain is mixed, with sections of easy climbing and ridge walking. It is a sensible objective for parties wanting a straightforward but real mountain route on Yr Wyddfa.
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Popular trekking routes

The most popular trekking route is the Llanberis Path, the longest and usually the easiest line to the summit. It is well defined, with a steady gradient and broad views, making it the common choice for first-time visitors. The Pyg Track is shorter and more scenic, but rougher underfoot and more exposed. The Miners' Track starts gently beside lakes before climbing more sharply near the upper mountain.

For stronger walkers, the Rhyd Ddu Path offers a quieter ascent with a more natural feel and fewer crowds. The Watkin Path is often considered the most demanding of the main walking routes because of its steep upper section and rough terrain. All routes require good footwear, weather awareness, and enough time for a safe descent.

Popular mountaineering routes

Snowdon also has several mountaineering lines that are more serious than the standard walking paths. Crib Goch is the best known: a narrow arête with exposed scrambling and significant drops on both sides. It is a classic Grade 1 scramble and should only be attempted in dry, stable conditions by confident mountain users. The North Ridge is another rewarding route, offering hands-on movement and a more direct mountain feel.

Other notable lines include the South Ridge and the upper sections of the Watkin Path, which can involve rough scrambling depending on conditions. In winter, the mountain becomes a different proposition entirely, with snow, ice, and avalanche risk on steeper ground. Proper navigation skills and winter equipment are essential outside the main hiking season.

Start of the route

The main access point is Llanberis, the nearest major village and the usual base for the mountain. It is reached by road from Caernarfon, Bangor, and the A55 corridor. Llanberis has parking, accommodation, cafés, and the start of the Llanberis Path. Other route starts are found at Pen-y-Pass for the Pyg Track and Miners' Track, Rhyd Ddu for the Rhyd Ddu Path, and Watkin for the Watkin Path.

Public transport is available in season, including buses linking nearby towns and park-and-ride options on busy days. The Snowdon Mountain Railway also runs from Llanberis to near the summit, though it does not operate in poor weather or all year. Arrive early in peak months, as parking and road access can be limited.

Local Guides, tour agencies

Guided ascents are widely available through local mountain leaders and outdoor companies in North Wales. Well-known providers include Snowdonia Walking and Climbing, MountainXperience, Go Mountain, and Summit and Sea. Typical prices for a shared guided walk are about £35-£70 per person, while private guiding often starts around £180-£300 for a day, depending on group size, route, and season.

For technical scrambling or winter conditions, choose a qualified Mountain Leader or Winter Mountain Leader. Prices are usually higher for specialist instruction and private guiding. Booking in advance is recommended during summer, school holidays, and weekends, when demand is strongest.

Best time for ascension

The best time to climb Snowdon is usually late spring through early autumn, especially from May to September, when daylight is long and paths are generally drier. Early morning starts are best for avoiding crowds and for improving parking chances. Clear summit views are never guaranteed, but weather windows are often more stable in summer than in winter.

Winter ascents are possible but much more serious, with snow, ice, strong winds, and poor visibility common. Even in summer, conditions can turn quickly, so check the forecast before setting out and be ready to change plans. Weekdays are quieter than weekends, and shoulder seasons can offer a good balance of fewer people and manageable conditions.

Equipment

For a summer hike, carry sturdy walking boots or trail shoes with good grip, a waterproof jacket and trousers, warm layers, a map, compass, charged phone, food, and at least 1-2 litres of water. A headtorch is important if there is any chance of finishing late. Trekking poles can help on long descents, especially on the Llanberis Path and Watkin Path.

For scrambling routes such as Crib Goch, add gloves and a helmet if appropriate, and only go with the right experience. In winter, crampons, an ice axe, winter clothing, and navigation skills are essential. The mountain is exposed, so windproof layers matter even on mild days.

Wildlife around Snowdon - Yr Wyddfa

The mountain supports upland wildlife adapted to harsh weather and rocky ground. Common birds include chough, peregrine falcon, ravens, and meadow pipits. On quieter slopes and in the valleys below, you may also see red grouse and other moorland species. The area’s lakes, streams, and wet ground support insects and amphibians in season.

Plant life changes with altitude, from grassland and heather to mosses and alpine-style vegetation near the summit. The environment is fragile, so stay on paths where possible and avoid disturbing nesting birds or grazing animals. Weather and footfall can both affect the landscape, especially on popular routes.

Travel tips

Start early, especially in summer, because parking fills quickly and paths become crowded by late morning. Check weather, route conditions, and transport before leaving. Carry cash or a card for parking and refreshments, but do not rely on facilities being open late. Mobile signal can be patchy on the mountain, with better coverage near some road approaches and villages than on the summit ridges.

Choose a route that matches your fitness and experience, and allow extra time for rest, navigation, and descent. If cloud drops in, turn back rather than pushing on blindly. Respect local access rules, keep dogs under control, and take all litter home. The mountain is busy, but it still demands proper preparation.

Interesting Facts

Snowdon is the highest point in Wales and the most climbed mountain in the United Kingdom. Its Welsh name, Yr Wyddfa, is widely used alongside the English name. The summit area has a trig point, shelter, and extensive views across Eryri on clear days, reaching as far as Anglesey, Scotland, and even Ireland in exceptional visibility.

The mountain has long been important in Welsh culture and tourism. The Snowdon Mountain Railway, opened in 1896, is one of the best-known mountain railways in the country. Because of its accessibility and variety of routes, the mountain attracts everyone from casual walkers to experienced climbers.

FAQ

How long does it take to climb Snowdon - Yr Wyddfa? Most walkers take 5-7 hours for a round trip, depending on route, fitness, weather, and stops.

How long does it take to approach Snowdon - Yr Wyddfa? From Llanberis, the approach to the trailhead is short; from nearby towns such as Caernarfon or Bangor, allow 20-40 minutes by car in normal traffic.

Is there cell service and internet on the Snowdon - Yr Wyddfa? Coverage is mixed. Signal is often available near villages and some lower slopes, but it can be weak or absent on ridges and in valleys.

How difficult is it to climb Snowdon - Yr Wyddfa? The main walking routes are moderate, but the mountain should not be underestimated because of weather, distance, and steep sections.

Can beginners hike Snowdon - Yr Wyddfa? Yes, beginners can use the easier routes such as the Llanberis Path if they are reasonably fit and properly equipped.

How many people climb Snowdon - Yr Wyddfa? It is one of the busiest mountains in the United Kingdom, with hundreds of thousands of visitors each year.

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