Dinorwig Quarry and Elidir Fawr Circular

This is considered a difficult hike, requiring very good fitness and sure-footedness. While parts of the quarry are more accessible, the ascent of Elidir Fawr is a significant challenge, described as a 'real beast of a slog'. Hikers should have sturdy shoes and potentially some alpine experience for certain sections.

The terrain is varied and demanding. You'll encounter industrial landscapes within the quarry with old buildings and slate, including steep climbs with uneven slate steps. As you ascend towards Elidir Fawr, the path becomes more mountainous, featuring unpaved sections, scree paths, and rocky, rough ground near the summit. Some parts can be overgrown.

The trail offers diverse scenery. You'll explore the unique industrial heritage of the Dinorwig Slate Mine Ruins. As you gain elevation, enjoy panoramic views across Llyn Padarn, Dolbadarn Castle, and other Snowdonia mountains. The Elidir Fach Summit Cairn and Elidir Fawr Summit provide excellent vistas across the Marchlyn Mawr Reservoir and the wider Glyderau range.

The Dinorwig Slate Quarry was once the second largest slate quarry in the world and is now a UNESCO World Heritage Site. It offers a profound glimpse into Wales's industrial past, showcasing the significant impact of the slate industry on the region's culture and landscape. The National Slate Museum is also located within its former workshops.

The best time to hike is generally during the warmer, drier months, typically late spring to early autumn. This avoids the harshest winter conditions and offers clearer views. However, weather in Snowdonia can be unpredictable, so always check forecasts regardless of the season.

While dogs are generally welcome on public footpaths in Snowdonia National Park, it's crucial to keep them on a lead, especially near livestock and ground-nesting birds. Given the challenging terrain, including scree and steep sections, ensure your dog is fit enough for the hike and that you carry enough water for them.

Specific parking details are best checked locally upon arrival in Llanberis. There are various car parks in and around Llanberis, which serve as a common starting point for hikes in the area. Arriving early is often recommended, especially during peak season, to secure a spot.

No, there are generally no permits or entrance fees required to hike this specific loop or to access Snowdonia National Park itself. However, parking in Llanberis may incur a fee, and some attractions within the quarry area might have separate charges.

Yes, this route intersects with several other paths. It covers sections of the Welsh Three Thousands, the Snowdonia Slate Trail, A4T Mills Level, A4 Garrett Incline, Village Tramway, Llwybr Main, A3 Garrett Incline, A2T Victoria Level, Llwybr Llwynog, and Twnel Sinc Galed.

Given the challenging nature and varied terrain, you should bring sturdy hiking boots, waterproof and windproof layers, a map and compass (or GPS device), sufficient water and snacks, sun protection, and a first-aid kit. Trekking poles can also be very helpful on the steep and uneven sections.

Llanberis is a well-equipped village and a popular base for exploring Snowdonia. You'll find various cafes, pubs, and shops where you can get refreshments, meals, and supplies before or after your hike.

The ascent of Elidir Fawr is a significant challenge. It's a 'real beast of a slog' with steep, often rocky, and potentially scree-covered paths. It's crucial to be well-prepared, follow a reliable map, and be comfortable with mountain navigation. Good weather conditions are highly recommended for this section.