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Higher Kiln Quarry

Walking back through deep time, along a woodland trail through the quarry

 

Standing at the reserve entrance presents views of the tall limestone cliffs, which are 350 million years old. Galleries of ivy-leaved toadflax, wall pennywort, shining crane's-bill and maidenhair spleenwort dot the rockface of what is one of the largest exposed limestone outcrops from the Devonian period, on which the geological strata and faultlines can be clearly seen.

 

(Please note this is a closed site with no public access except during organised events).

 

When the reserve is open, the boardwalk path winds through an atmospheric, prehistoric-feeling, shady woodland of ash and sycamore, richly clad in ferns and mosses, where the high quarry cliffs concentrate shadow and moisture. Among woodland flowers such as wild garlic and dog violets, damp conditions give rise to pockets of marsh bedstraw, brooklime, watercress and temporary ponds surrounded by willow.

 

Pleistocene Park

The boardwalk passes a number of grilled cave entrances; the River Dart, once flowing at the level of the clifftop 50 metres above, gradually carved out this cave network in the limestone over many centuries 250,000-120,000 years ago. In 1939-1941 scientific excavations revealed an exceptional collection of over 4000 fossil mammal bones from animals which roamed here during the last Ice Age, 100,000 years ago.

 

This was a time of warmer Mediterranean climate between glaciations, home to hippopotamus, brown bear, spotted hyena and lion, and now extinct species of giant deer, straight-tusked elephant, bison and narrow-nosed rhinoceros. 16 different species are represented, forming the richest known assemblage of Pleistocene interglacial fossil remain in Britain.

 

To the bat cave

A special survivor from this ancient world still lives here today: the tiny, 4mm long blind cave shrimp Niphargus glenniei. First discovered in 1948, with a population thought to have existed since before the last glacial period, this species is endemic to Devon and the south west of England, found nowhere else in the world.

 

Greater horseshoe bats                    photo: D. Wills

 

The cave network is crucially important for other rare wildlife. In winter the biggest and most significant colony of greater horseshoe bats in the country, and possibly in Europe, hibernates in the caves, joined by lesser horseshoe and other bat species. Look out for the bats at dusk on warm summer evenings when they emerge to hunt insects such as cockchafer beetles, moths and dung flies.

 

Coming to the end of the boardwalk, you might imagine bats once flew over hippo, rhino, bison and lions where cows now safely graze the pastures above the caves.

 

Find out more about the Devon Greater Horseshoe Bat Project.

Species and habitats

Habitats
Grassland, Ponds, Woodland
Species
Greater Horseshoe Bat, Lesser Horseshoe Bat

Nearby nature reserves

Dart Valley
3 miles - Devon Wildlife Trust
Blackadon
5 miles - Devon Wildlife Trust
Lady's Wood
6 miles - Devon Wildlife Trust

Nature reserve map

Reserve information

Location
South Dartmoor
Nr Buckfastleigh
Devon
Map reference
SX 744 644
Great for...
geological interest
lichens and mosses
Get directions
Find out here
Public transport
Plan your journey
Opening Times
Restricted access. Contact the Trust for times or to arrange a visit.
Size
4.50 hectares
Status
Special Areas of Conservation (SAC) Site of Special Scientific Interest (SSSI)
Access
Permit required

The site has restricted access but there is a public footpath that runs along either edge of the reserve. Contact the Trust for disabled access information
Parking
Car parking space close to the William Pengelly Cave Trust Education Centre at SX 744 655
Dogs
No dogs allowed
Grazing animals
yes
Reserve manager
Devon Wildlife Trust
Tel: 01392 279244
contactus@devonwildlifetrust.org