- This article is about a peak. A mountain is a Landform that extends above the surrounding Terrain in a limited area with a peak For the English independent comic book publisher, see Mam Tor Publishing. Mam Tor Publishing is an English independent Comic book publisher founded by Liam Sharp and his wife Christina McCormack
| Mam Tor | |
|---|---|
 Mam Tor from the south, March 2005 |
|
| Elevation | 517 m (1696 ft) |
| Location | Peak District, England |
| Prominence | 62 m |
| Topo map | OS Landranger 110 |
| OS grid reference | SK127836 |
Mam Tor is a 517 m (1696 ft) high peak near Castleton in the High Peak of Derbyshire, England. In topography a summit is a point on a surface which is higher in Elevation than all points immediately adjacent to The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International A foot (plural feet or foot; symbol or abbreviation ft or sometimes &prime – the prime symbol) is a non-SI unit The Peak District is an upland area in central and northern England, lying mainly in northern Derbyshire, but also covering parts of Cheshire, Greater England is a Country which is part of the United Kingdom. Its inhabitants account for more than 83% of the total UK population whilst its mainland A topographic map is a type of Map characterized by large-scale detail and quantitative representation of relief, usually using Contour lines in modern Ordnance Survey (OS is an Executive agency of the United Kingdom government The British national grid reference system is a system of geographic grid references commonly used in Great Britain, different from using Latitude and Longitude This article is about the English village in Derbyshire For other uses see Castleton. The Peak District is an upland area in central and northern England, lying mainly in northern Derbyshire, but also covering parts of Cheshire, Greater History The area that is now Derbyshire was first visited probably briefly by humans 200000 years ago during the Aveley Interglacial as evidenced by a Middle England is a Country which is part of the United Kingdom. Its inhabitants account for more than 83% of the total UK population whilst its mainland Its name literally translates as Heights of the Mother and it is also known as the Shivering Mountain on account of the instability of its lower shale layers. Shale (also called mudstone) is a fine-grained Sedimentary rock whose original constituents were Clay minerals or Muds It is characterized by Indeed, in 1979 the continual battle to maintain the A625 road (Sheffield to Chapel en le Frith) on the crumbling southern side of the hill was lost when the road officially closed as a through-route. Year 1979 ( MCMLXXIX) was a Common year starting on Monday (link displays the 1979 Gregorian calendar) The A625 is a rural road which runs through north Derbyshire and the Peak District. Sheffield ( is a city and Metropolitan borough in South Yorkshire, England Chapel-en-le-Frith (ˌtʃæpl ɒn lə ˈfrɪθ often abbreviated to Chapel, is a small Derbyshire town on the edge of the Peak District, part of the
The summit of Mam Tor is encircled by a late Bronze Age and early Iron Age hill fort. In topography a summit is a point on a surface which is higher in Elevation than all points immediately adjacent to The term Bronze Age refers to a period in human cultural development when the most advanced Metalworking (at least in systematic and widespread use included techniques for This article is about the archaeological period known as the Iron Age for the mythological Iron Age see Ages of Man. A hill fort is a fortified refuge or defended settlement Radiocarbon analysis suggests occupation from around 1200 BC. Carbon-14, 14C, or radiocarbon, is a Radioactive isotope of Carbon discovered on February 27, 1940, by The earliest remaining features are two Bronze Age burial mounds, one just below the summit and the other on the summit itself. At a later stage over a hundred small platforms were levelled into the hill near the summit, allowing inhabited timber huts to be constructed.
At the base of the Tor and nearby are three show caves: Speedwell Cavern, Blue John Cavern and Treak Cliff Cavern where lead, Blue John and other minerals were once mined. The Speedwell Cavern is one of the four Show caves in Castleton, Derbyshire, England. The Blue John Cavern is one of the four Show caves in Castleton, Derbyshire, England. Treak Cliff Cavern is a Show cave near Castleton in Derbyshire. Characteristics Lead has a dull luster and is a dense, Ductile, very soft highly Fluorite (also called fluorspar) is a Mineral composed of Calcium fluoride, Ca[[Fluorine F2]] The Tor sits near the top of Winnats Pass (a steep and narrow limestone gorge), forms the eastern end of Rushup Edge, and dominates the western end of the "Great Ridge", one of the most famous, beautiful, and easy-to-reach ridgewalks in the Peak District. Winnats Pass is in the High Peak area of the English county of Derbyshire. The Peak District is an upland area in central and northern England, lying mainly in northern Derbyshire, but also covering parts of Cheshire, Greater
The Ridge separates the two arms of the Hope Valley: the valley of the River Noe (Edale) to the north, and the Peakshole Water (Castleton) to the south. The Hope Valley is a rural area centred on the village of Hope Derbyshire in the Peak District in the northern Midlands of England. The River Noe is a Tributary of the River Derwent in Derbyshire, England. Edale (ˈiːdeɪl is a small Derbyshire Village and Civil parish in the Peak District, in the Midlands of England. Peakshole Water is a Stream in the Peak District Derbyshire named after its source Peak Cavern. Starting at the western end, the walker leaves the summit of Mam Tor, passes the remains of the fort's earthworks, dips into the saddle of Hollins Cross, climbs to Back Tor, then dips and climbs again to the conical peak of Lose Hill at the eastern end of the Ridge. Lose Hill lies in the Derbyshire Peak District. It is the south-west corner of the parish of Edale and the end of the Great Ridge that runs from In the other direction, walkers who have climbed Lose Hill from Hope railway station see Mam Tor as a dramatic target for an easy one-hour walk with beautiful views on either side. Hope Railway station serves the villages of Hope and Brough in the Derbyshire Peak District of England. A common target for walkers from Edale or Castleton is the dip of Hollins Cross, the meeting place of many paths visible from the valley bottoms on both sides. Other walkers take the longer route past the show caves (i. e. via Winnats Pass or the old A-road) or Barber Booth. Edale (ˈiːdeɪl is a small Derbyshire Village and Civil parish in the Peak District, in the Midlands of England. Back Tor has a steep and distinctive shale face, which is occasionally climbable [1] when hard-frozen.
In perfect weather conditions, Manchester City Centre, Stockport, Winter Hill and even the mountains of Snowdonia can be seen from here. Stockport ( is a large town in Greater Manchester, England. It lies on elevated ground on the River Mersey at the influx of the rivers Goyt Snowdonia (Eryri is a region of North Wales and a National park of in area
Mam Tor Landslide
One of the distinguishing features of Mam Tor Peak is the active debris flow resulting from a rotational landslide that occurred roughly 4,000 years ago. Debris flows are often referred to as mudslides Mudflows jökulhlaups, or debris Avalanches. A landslide is a geological phenomenon which includes a wide range of ground movement such as rock falls deep failure of slopes and shallow debris flows which can occur The initial failure exposed bedrock displaying a sequence of shales and sandstones near to the summit. Shale (also called mudstone) is a fine-grained Sedimentary rock whose original constituents were Clay minerals or Muds It is characterized by Sandstone is a Sedimentary rock composed mainly of Sand -size Mineral or rock grains. Evidence for the continued movement of the slide mass is demonstrated graphically by the complete destruction of a road that once crossed the width of the failure. The road was originally built at the beginning of the 1800s and was subsequently relaid until local authorities closed the road in 1979. Layers of tarmac and gravel are up to 2 metres thick in places, demonstrating the numerous efforts to keep the road open.
Current mean annual movement according to a study made in 2000 [2] is:
up to 0. 25 m; this increases greatly when winter rainfalls exceed thresholds of both 210 mm/month and 750 mm in the preceding six months
The debris flow poses no threat to any inhabited buildings near the peak; however, small farm buildings lying in the flow's path may become inundated over the next century assuming a flow rate similar to that of the present. The 2000 study suggests that deep drainage may be the most effective means of stabilising the flow, though this may not completely stop movement.
References
- ^ Nunn, Paul (1977), Rock Climbing in the Peak District, Constable
- ^ Waltham & Dixon (2000), Movement of the Mam Tor landslide, Derbyshire, UK, The Quarterly Journal of Engineering Geology and Hydrogeology, Volume 33, Number 2, May 2000, pp. 105-123(19)
 View of the village of Castleton from Mam Tor |
 Close up of Mam Tor |
 View of the Hope Valley |
 Paragliding from Mam Tor |
 View from Mam Tor looking north towards the Vale of Edale |
 A section of the abandoned road |
 Path leading to Mam Tor from Lose Hill |
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