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Walk - Seaton to Lyme Regis Undercliffs - Part 1

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Route Description

You can also download a BBC podcast about the walk here - 

A leaflet about the Undercliffs can be downloaded from here 

BBC Open Country Undercliffs podcast (link to 13mb mp3 file - click to play, right click to save) 

  1. From Seaton, walk along to the eastern end of the seafront, and cross over the River Axe using Britain’s oldest concrete bridge which was opened in 1877. Walk upstream alongside the river for about 100 yards, and then take the track on the right signed Coast Path and Axe Cliff golf course.

  2. The path climbs steadily passing the club house and crossing the course (watching out for golf balls) to then enter a sunken Devon lane, which in spring is full of flowers.

  3. At the first junction take the right turn which takes you out to the top of Haven Cliff, from where you get great views along the coast in both directions. From here you also get your first impression of how unstable this section of coast is.

The geology of this section comprises of seaward sloping beds of greensand and chalk overlying clay. Rain can seep straight through the greensand and chalk, but has to flow across the surface of the impervious clay. Heavy rain can lubricate the join between the clay and greensand sufficiently enough to allow the top layers of rock to slide.

This constant movement (a bit like a glacier) of the Undercliff means that between the back cliff and the sea, deep fissures open up. As a result you are advised not to wander off the path. 

The most famous example of this happening was on Christmas Day in 1839, when 15 acres (6 hectares) weighing an estimated 8 million tons, slipped from the cliff to form a chasm 180 feet (60 metres) deep and ½ mile (800 metres) long. On the seaward side of the chasm a field stayed intact enough for the crop to be harvested later that year, and the outcrop is now known as Goat Island. At the time, the spectacle drew thousands of tourists, including Queen Victoria, and pictures of it are on display at Lyme Regis Museum.

  1. After following the cliff top for a few hundred yards the Coast Path descends down into the Undercliff National Nature Reserve.

The reserve, which is managed by Natural England, is one of the largest active coastal landslide systems in Western Europe. The National Nature Reserve forms part of the 95 mile long Jurassic Coast World Heritage Site and contains rocks from the Triassic, Jurassic and Cretaceous periods of geological time. The rocks get younger as you walk from Axmouth in the west to Lyme Regis in the east.

In addition to the geological interest, the reserve is important for wildlife. It forms part of the Sidmouth to West Bay Special Area of Conservation (SAC) and is also part of the East Devon Area of Outstanding Natural Beauty (AONB). Woodland covers the majority of the reserve and the unstable terrain is dominated mainly by ash and field maple woodland. The reserve is sheltered, south facing and often relatively hot and humid providing ideal growing conditions for ferns including the characteristic Hart’s tongue fern. Away from the path the cliffs and unstable terrain also provide a haven for a variety of specialist insects and other plants. In some parts of the reserve non-native species including holm oak, rhododendron and laurel can be seen and the spread of these is being controlled.

    Nearby refreshments

    Seaton and Lyme Regis.

    Public transport

    The Jurassic CoastLine x53 bus runs regularly between Seaton and Lyme Regis and stops at the seafront, Castle Hill, Seaton and outside the Co-op, Broad Street, Lyme Regis. For timetable information, zoom in on the interactive map and click on the bus stops, visit Traveline or phone 0871 200 22 33.


    Seaton (Postcode for Sat Nav: EX12 2LX), Lyme Regis (Postcode for Sat Nav: DT7 3BS).

    Seaton Sea Front to Beer Head. Photographer Jennifer Rowlandson, Tiverton.

    Seaton Sea Front to Beer Head. Photographer Jennifer Rowlandson, Tiverton.

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    Nearby Events

    • Jurassic Coast Guided Walk

      Free Guided walk for approximately 2 hours on the Jurassic Coast at Exmouth with Anthony Cline (Jurassic Coast Ambassador) & helpers. Meet at 2pm Saturday 17th May 2014 at the end of Queen’s drive below Orcombe point by the information boards. Short talk about the Jurassic Coast Site and then onto the beach (low tide) to talk about the geological features - time for questions and discussion. Then walk to the Geoneedle, official start of The World Heritage Site & Sandy Bay to view geology to the east. Return facing the geology to the west.

    • Guided Walk on the Jurassic Coast

      On Tuesday 20th May starting at Sidmouth Port Royal at 10:15pm there will be a 5 km Guided Walk on the Jurassic Coast from Sidmouth Port Royal to Donkey Sanctuary. The walk will take approximately 4 hours and is classed as moderate to easy. Led by John Ayres (Jurasssic Coast Ambassador), the walk includes a talk by James Chubb. Reurn to Sidmouth by X53 to Sidford, X52  Sidmouth bus.

    • Branscombe to Beer Guided Walk

      On Saturday 7th June at 10am a guided walk to Beer Heritage Centre & Return (or 899 bus). Meet at Branscombe Village  - Leader Tony Lambert - 4.5km each way. The walk features a visit with the National Trust to the Old Mill & History.

    • Guided Walk to Beer

      At 10:15am Wednesday 18th June a Guided walk along the Jurassic Coast will start from the Donkey Sanctuary Cafe finsihing at Beer Fine Foundation Centre led by Mike Green & James Chubb. Be aware that the 9km walk of moderate difficulty will be very close to cliff edge at times. Return to Donkey Sanctuary by X53 bus.

    • Guided Jurassic walk from Beer to Seaton

      On Saturday, 12th July there will be an easy guided Jurassic Coast walk of 3 km each way from Beer to Seaton (and return if you wish or return bus X53 or 899) led by Mike Green and John Maclellan. Meet at Beer Heritage Centre, Beer Beach.

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