Climbs 71
Rocktype Slate
Altitude 300m a.s.l
Faces NW

Unknown climber new routing/checking route © Edale

Crag features

Not for the faint-hearted or soft-headed, some loose rock so helmets advised. Twll Mawr is the home of some amazing routes, single and multi-pitch up to 219 metres the nearest Britain really has to Yosemite. (Leo Houlding spent a lot of time here.) The Big Hole is home to the famously impressive 'The Quarryman' (E8 7a) and 'The Meltdown' 9a. A number of single and multi pitch sport routes have been added over recent years including the 4 longest multi pitch sport routes in the UK, 'The Rock Bottom Line' 135 metres, 'The Desolation of Smaug' 145 metres, 'Long in the Twll / The North is Rising' 160 metres and 'Tan y Ddraig' 180 metres.

NOTE: If you've enjoyed any of the bolted routes in Twll Mawr please consider donating to the North Wales Bolt Fund :-)
http://northwalesboltfund.webs.com/

Approach notes

From Bus Stop Quarry continue along the path, beyond Dalis and Never Never Land. The huge vista of rock should be obvious as you go on.

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Guidebooks

If You've enjoyed any of the bolted sports routes in Twll Mawr please consider donating to the North Wales Bolt Fund :-) http://northwalesboltfund.webs.com/
ian Ll-J - 04/May/15
How to Find Twll Mawr on You tube... https://www.youtube.com/watch?v=3Jv5zOVHS_8
ian Ll-J - 08/Mar/15
Some links for The Rock Bottom Line, Supermassive Black Hole, Black Hole Sun and Black Holes and Revelations... http://dmmclimbing.com/news/2011/10/uks-longest-sport-route/ http://dmmclimbing.com/news/2011/07/four-pitch-sport-route-added-to-twll-mawr/ http://dmmclimbing.com/news/2011/11/like-father-like-son/
ian Ll-J - 04/Jun/12
Check out my photosynth panoramic at the base of SuperMassive Black Hole in Twill Mawr: http://photosynth.net/view.aspx?cid=14473c30-e651-4868-aaf2-4e32706160a1&m=false&i=0:0:0&c=0:0:0&z=548.482755730145&d=-1.24564770520284:-1.17570765130743:-1.16470582811073&p=0:0&t=False
Jonny2vests - 11/Sep/11
A historical account of Joe Brown's early explorations in Twll Mawr...Note to self - must remember the beer next time next time I'm new routing in there :o) http://www.climbers-club.co.uk/journal/original/1970-1%20Journal-p31-38.pdf
ian Ll-J - 11/Sep/11
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Climbs at this crag

Climb name Grade
  Twll Mawr 'Hidden Tunnel' - Quarry Adventure
2 Hobbits, Ladders and Tunnels XS *** 1
  Watford Gap
4 In Between Red and Green
-
E1 5a  
5 Snoring Exploring
-
E1 5b  
6 Watford Gap West
-
VS 4b 5
  Combat Rock Area
8 Combat Rock E1 5b ** 189
9 Tunnel Vision V5 2
10 Graffiti Drive By V4 1
11 Rhyfelwr E2 5b ** 36
12 Teenage Kicks E4 6a  
13 Purple Haze E3 5b ** 11
14 The Color Purple E4 6b ** 4
15 Cyclone B E3 6a * 1
  The Alcove
17 Lethal Injection
-
E2 5c 2
18 Legal Murders
-
E3 6a * 2
19 Top Gear
-
E1 5b  
20 Drunken Laughs
-
E2 5b  
  The Quarryman Wall
22 A Winter's Tale 6b 1
23 The Hunted E6 6c *  
24 Beijqueiro E4 6b ** 6
25 Fleur-de-lis E6 6c *  
26 Coeur de Lion E8 7a *** 1
27 The Meltdown 9a ***  
28 Blockhead E7 6c *** 1
29 King of the Mezz
-
E7 6c *  
30 The Quarryman E8 7a *** 49
31 The Fire Escape
-
E7 6c **  
32 Mike's Trombone
-
E6 6a/b ***  
33 Phil's Harmonica
-
E6 6c  
34 The Wonderful World of Walt Disney E6 6b *** 6
35 The Dyke
-
E6 6a  
36 The Gay Blade
-
E6 6a  
37 The Rock Bottom Line 7b+ *** 13
  The North Wall
39 Opening Gambit
-
XS 5c 2
40 Long in the Twll/The North will Rise Again 6c+ ** 52
41 Hamadryad E3 5c * 4
42 Tân y Ddraig 7a ** 47
43 The Desolation of Smaug! 6c ** 191
44 Antiquarian E5 6a *  
45 Twll Love E5 6a *  
46 The Razor's Edge
-
E3 6b  
47 The True Finish
-
E4 6b  
48 Bushmaster
-
E3 6b  
49 Scorpion
-
XS 5b  
50 Taith Mawr
-
E4 6a  
51 The Punters Retreat
-
E3 5b  
52 Island of Stability 6c *** 2
53 Bonza Crack HVS 5b * 2
  The South Wall Upper
55 Practically Esoteric
-
E2 5c * 1
56 Birdman of Cae'r Berllan
-
E2 5c 1
57 Wolfhound
-
E4 6a *  
  The South Wall
59 Booooom, Blast & Ruin VS 4c * 3
60 Dark Side of the Moon 7b * 2
61 Set the Controls for the Heart of the Sun 7a * 8
62 Imagine Dragons 6b * 40
63 Lost in the Echo E2 5b *  
64 Cam-ikaze Corner E3 6a *  
65 Champagne Supernova 7a+ ** 1
66 Black Holes and Revelations - The Wobbly Ladder Pitch 6b ** 11
67 Black Holes and Revelations 7a ** 16
68 In the Line of Fire 7c+  
69 Supermassive Black Hole 7a *** 123
70 Running Scared 7c+ *  
71 Black Hole Sun 7a+ *** 45
72 Black Hole of Calcutta 7a * 5
  Golgotha
74 The Daddy Club
-
E1 5b  
75 Green Slip
-
7a  
76 Slip of the Tongue
-
E6 6c ** 1
77 Slip Sliding Away
-
E5 6b *  
78 Split Decision
-
E6 6c ** 1
79 Tales of the golden Monkey E2 5c *  
80 Burning Bush E7 6b *  

Moderator Updates to this page are checked by UKC volunteer ian Ll-J