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Norber Erratics: Perched Glacial Boulders of the Yorkshire Dales

Discover the surreal landscape of the Norber Erratics, where ancient glacial boulders balance atop limestone pedestals in the Yorkshire Dales.

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The Norber Erratics are a striking collection of over 100 large Silurian sandstone boulders perched precariously on limestone pedestals on the southern slopes of Ingleborough near Austwick in the Yorkshire Dales National Park. These glacial erratics, deposited around 12,000 years ago during the last Ice Age, create a unique geological spectacle where ancient rocks appear to defy gravity, offering visitors a fascinating glimpse into Earth's glacial past amid scenic countryside.

A brief summary to Norber erratics

  • Crummack Ln, Lancaster, LA2 8BS, GB
  • Visit website
  • Duration: 1.5 to 3 hours
  • Free
  • Environment icon Outdoor
  • Mobile reception: 4 out of 5

Local tips

  • Wear sturdy walking shoes as reaching the erratics involves a steep climb up Norber Hill followed by uneven limestone terrain.
  • Visit during clear weather for the best views and photographic opportunities of the boulders and surrounding Dales.
  • Bring water and snacks, as there are limited amenities near the erratics; nearby villages like Austwick offer refreshments.
  • Explore the erratics slowly to appreciate the unique geological formations and the delicate limestone pedestals.
  • Respect the natural environment by staying on marked paths and avoiding climbing directly on the boulders.
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Getting There

  • Bus and Walk

    Take a local bus service from Lancaster or Settle to Austwick village, which takes approximately 45 to 60 minutes depending on connections. From Austwick, a 1.5 to 2-hour moderate walk leads to the Norber Erratics. Bus services may be limited on weekends and public holidays. No direct parking at the erratics.

  • Car Access and Walking

    Drive to Austwick village where parking is available in designated areas. From there, follow waymarked footpaths on a 4.3 km circular walk to the Norber Erratics, taking around 1.5 to 2 hours. Roads are rural and narrow; parking can be limited during peak seasons.

  • Guided Walking Tour

    Join a guided walking tour departing from nearby villages like Clapham or Austwick. Tours typically last 2 to 3 hours and include expert commentary on the geology and natural history. Booking in advance is recommended, with prices ranging from £10 to £20 per person.

Norber erratics location weather suitability

  • Weather icon Any Weather
  • Weather icon Clear Skies
  • Weather icon Rain / Wet Weather
  • Weather icon Mild Temperatures

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Discover more about Norber erratics

A Geological Marvel from the Last Ice Age

The Norber Erratics are an extraordinary natural phenomenon located on the southern slopes of Ingleborough, close to the village of Austwick in the Yorkshire Dales National Park. These erratics are large sandstone boulders transported and deposited by melting glaciers at the end of the last Ice Age, approximately 12,000 years ago. The boulders, originating from Silurian greywacke rock, were carried by ice sheets and left scattered atop a limestone pavement, creating a striking contrast between the dark boulders and pale limestone beneath.

Perched Boulders Defying Gravity

What makes the Norber Erratics so captivating is their precarious positioning. Many of these boulders rest on narrow limestone pedestals up to 30cm high, having resisted erosion because the boulders shielded the limestone beneath from rainfall and weathering. This natural pedestal formation gives the impression that the massive rocks are balancing impossibly on small bases, a phenomenon that fascinates geologists and visitors alike. The limestone pavement surrounding the erratics has been gradually lowered by about 25mm per 1,000 years due to solution weathering, highlighting the protective role of the boulders.

Exploring the Norber Erratics Landscape

Visitors typically approach the Norber Erratics via a scenic walk from nearby villages such as Austwick or Clapham. The terrain includes a steep climb up Norber Hill, followed by flatter limestone scar areas where the erratics are found. The area known as Thwaite Scars hosts the majority of these boulders scattered across the limestone plateau. The walk offers panoramic views of the surrounding Yorkshire Dales countryside, with opportunities to explore the erratics up close, wander among the boulders, and appreciate the geological history they represent.

Scientific and Educational Significance

The Norber Erratics serve as classic geomorphological features illustrating glacial transport and deposition processes. Cosmogenic dating techniques estimate that the boulders have been exposed for nearly 18,000 years. Their presence helps scientists understand glacial movements and post-glacial landscape evolution in northern England. The site is often referenced in geological studies and is considered the finest example of glacial erratics in Britain.

Natural Beauty and Cultural Context

Beyond their scientific importance, the Norber Erratics contribute to the rugged beauty and character of the Yorkshire Dales. The juxtaposition of dark, ancient boulders on pale limestone amidst rolling hills creates a unique and photogenic landscape. The site is accessible year-round and remains a relatively hidden gem, offering a tranquil and contemplative experience away from busier tourist spots.

Visitor Experience and Conservation

The Norber Erratics are free to visit and require no admission fees. Visitors are encouraged to respect the natural environment and the delicate limestone pavement. The area is best explored on foot, with well-marked trails leading to and around the erratics. The site’s preservation is supported by its location within the Yorkshire Dales National Park, ensuring ongoing protection of this remarkable geological heritage.

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