Dinas - Main Slab

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Dinas - Main Slab
Dinas - Main Slab.jpg
Rock Type Quarried Carboniferous Limestone
Climbing Style Sport
Approach Time
Area Inland Limestone
Sub Area Dinas Rock
WGS-84 Location 51.759695, -3.577719
OS Grid Ref. SN 912 079
WGS-84 Parking Location 51.759561, -3.578172
GR Parking Location SN 911 079
Parking Postcode SA11 5NU
Base Elevation 89 metres (Other)
General Info
Faces Direction South West
Aspect Sunny
Wind Sheltered Mostly
Climbing Type Normal
Seepage Needs a long dry spell
Crags Within 10.0 km

Cheesy Rider Area, Craig Tyle-Cam, Craig y Nos, Cwmaman Main, Cwmaman West, Dinas - Main Slab, Dinas Main Crag, Inflated Roundhead Area, Kennelgarth Wall, Love Of Ivy Area, Lower Cave Area, Maerdy - Rhondda Fach, Pen Pych, Sheriff Quarry - Maerdy, Space Mountain

RAD Notice/Restriction Dinas - Main Slab@BMC RAD


The main slab and the easy slabs to its right are subject to heavy use by outdoor groups for abseiling and top-roping respectively. The first route starts from the track above the car park on a short wall on the left side of the face. The wall has a good abseil tree which is handy for cleaning the mud and vegetation from the routes prior to an ascent.


Dinas - Main Slab
  1. Evening Wall l6m VD
    Climb a crack in the left-hand side of a short wall.

  2. Flake Wall 39m HS,4a
    Loose. Climb a short wall left of the arête to a tree. Continue up via a flake to the top.

  3. Slickenside 41m E2,5c *
    Start on the left side of the main face just right of the arête at thin cracks. Climb the cracks to a ledge at 18m. Continue more easily until it steepens, then follow a crack, PR, to the arête and the top.

  4. Churchill 38m E4,6b *
    Start at the first groove right of Slickenside. Climb the groove past several PRs to a small hole at 13m, step right and finish up a crack and open groove above. It is also possible to finish up Slickenside.

  5. Frizzy Bits 38m E3,5c *
    Start at cracks just right of Churchill. Climb the cracks to a shallow groove/pod and continue up the finger crack. Finish up the dirty groove or step left to join Slickenside. An altenative start comes in from the right.

  6. Angus Anglepoise 38m E3,6a
    Takes a thin crack between Frizzy Bits and Jeepers Creepers in its entirety. Start 3m right of Frizzy Bits.

  7. Jeepers Creepers 38m HVS,5a
    Climb the obvious groove in the centre of the face.

  8. Sense of Humour 38m E2,5c *
    Start at thin cracks 2m right of Jeepers Creepers. Climb the cracks until a difficult traverse left about 2m below a tree can be made into Jeepers Creepers. Finish up Jeepers Creepers or abseil from the tree.

  9. Sense 38m E2,5c *
    A more committing direct version of Sense of Humour. Follow Sense of Humour to its traverse, then continue directly up the cracks to the arête passing a tree to the top.

  10. Frisky 45m E2,5c *
    A diagonal right to left traverse. Follow Sense of Humour to its junction with Jeepers Creepers. Continue left finishing up Slickenside.

  11. The Coffin 30m VS,4a
    Advisable to have a priest and undertaker present’. Climb the wide groove on the right of the face with poor rock and protection.

  12. Porth Crawl 33m E2,5b
    Start just right of The Coffin. Climb the wall for 6m then the groove for 6m. Traverse right onto a sloping ledge, then gain a crack which is followed to the top.

First Ascents

  1. Evening Wall - Unknown Pre-1973
  2. Flake Wall - Unknown Pre-1973
  3. Slickenside - P.Leyshon, D.Parsons – Slowcoach Pre-1979
    FFA P.Littlejohn, D.Renshaw. 14.06.1979
  4. Churchill - P.Leyshon, D.Parsons Pre-1973
    FFA P.Littlejohn, S.Lewis 31.03.1982
  5. Frizzy Bits - D.Parsons, P.Leyshon - Helen Pre-1973
    FFA A.Sharp, P.Lewis.14.04.1979
    A.Sharp, J.Harwood – Alternative Start 29.03.1981
  6. Angus Anglepoise - P.Donnithorne, T.Meen 26.11.1987.
  7. Jeepers Creepers - P.Watkin, C.Jones 00.00.1970
  8. Sense of Humour - P.Josty – Josty Pre-1973
    A.Sharp, P.Lewis 16.04.1979
  9. Sense - S.Lewis, G.Lewis. 00.00.1982
  10. Frisky - A.Sharp.11.04.1980
  11. The Coffin - C.Jones, D.Parsons 00.00.1967
  12. Porth Crawl - A.Sharp, J.Harwood 06.05.1980