A Crag Guide gives an extensive view of all sub areas and climbs at a point in the index. It shows a snapshot of the index heirachy, up to 300 climbs (or areas) on a single web page. It shows selected comments climbers have made on a recently submitted ascent.

At a minor crag level this should be suitable for printing and taking with you on a climbing trip as an adjunct to your guidebook.

This guide was generated anonymously. Login to show your logged ascents against each route.

Warning

Rock climbing is extremely dangerous and can result in serious injury or death. Users acting on any information directly or indirectly available from this site do so at their own risk.

This guide is compiled from a community of users and is presented without verification that the information is accurate or complete. By using this guide you acknowledge that the material described in this document is extremely dangerous, and that the content may be misleading or wrong. In particular there may be misdescriptions of routes, incorrectly drawn topo lines, incorrect difficulty ratings or incorrect or missing protection ratings.

You should not depend on any information gleaned from this guide for your personal safety.

You must keep this warning with the guide.

For more information refer to our Usage policy

Contributors

Thanks to the following people who have contributed to this crag guide:

anon

The size of a person's name reflects their Crag Karma, which is their level of contribution. You can help contribute to your local crag by adding descriptions, photos, topos and more.

Table of contents

1. Anglesey 167 routes in Crag

Summary:
JFMAMJJASOND
seasonality
All Trad

Long/Lat: -4.389096, 53.289432

1.1. Gogarth 156 routes in Crag

Summary:

1.1.1. Upper Tier 24 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 Psychocandy E6 6cTrad 18m
2 *** Strike E3 6aTrad 57m
3 Strike Direct E6 6cTrad 30m
4 * Blackleg E6 6bTrad 48m
5 *** Barbarossa E6 6bTrad 52m
6 * Bloody Chimney VS 4cTrad 55m
7 * U.F.O. E2 5bTrad 64m
8 ** Run Fast, Run Free E5 6aTrad 43m
9 Dangerous Rhythm E3 5cTrad 62m
10 Puffin S 4bTrad 64m
11 * Hang Ten (in the Green Room) E6 6cTrad 28m
12 * The Cruise E5 6bTrad 65m
13 ** Winking Crack E3 5cTrad 67m
14 * The Horrorshow E5 6bTrad 62m
15 Bitter Days E1 5bTrad 62m
16 ** Central Park HVS 5aTrad 60m
17 *** The Strand E2 5bTrad 49m
18 ** Park Lane / Doomsville E1 5bTrad 55m
19 ** The Gauntlet HVS 5aTrad 50m
20 ** The Ramp HVS 5aTrad 55m
21 * Fail Safe E2 5bTrad 53m
22 * The Eternal Optimist E2 5bTrad 46m
23 ** Bezel VS 4bTrad 49m
24 ** Fifth Avenue E1 5cTrad 70m

1.1.2. Main Cliff 42 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 * Sunstroke E1 5bTrad 55m
2 * Diogenes HVS 5aTrad 53m
3 ** Cordon Bleu HVS 5bTrad 150m
4 ** Aardvark E2 6aTrad 45m
5 *** Emulator E1 5bTrad 45m
6 ** Stimulator E2 5cTrad 50m
7 ** Resolution E1 5bTrad 93m
8 ** Resolution Direct E2 5bTrad 71m
9 *** Gogarth E1 5bTrad 200m
10 * Bubbly Situation Blues E4 6aTrad 55m
11 ** The Rat Race E3 5cTrad 120m
12 *** Positron E5 6aTrad 60m
13 *** Ordinary Route E5 6aTrad 140m
14 ** Eraserhead E6 6aTrad 87m
15 *** Skinhead Moonstomp E6 6bTrad 80m
16 *** Alien E5 6bTrad 93m
17 ** Dinosaur E5 6aTrad 110m
18 ** The Big Sleep E6 6bTrad 62m
19 ** Wall of Fossils E6 6bTrad 60m
20 ** Mammoth E5 6bTrad 62m
21 ** Mammoth Direct E6 6bTrad 33m
22 *** Hunger E5 6aTrad 90m
23 *** Citadel E5 6bTrad 100m
24 * Sebastopol E4 6aTrad 98m
25 ** The Tet Offensive E5 6bTrad 120m
26 *** The Big Groove E3 5cTrad 110m
27 ** Pentathol HVS 5aTrad 98m
28 ** Syringe E3 5cTrad 94m
29 * Hypodermic E2 5cTrad 95m
30 * The Needle E3 5cTrad 92m
31 ** The Assassin E3 5cTrad 88m
32 *** Scavenger HVS 5aTrad 88m
33 *** Nightride E1 5bTrad 72m
34 Heroin HVS 5bTrad 55m
35 * Phaedra E1 5cTrad 53m
36 * Hud HVS 5aTrad 44m
37 Mulatto HVS 5aTrad 45m
38 ** Mestizo E1 5bTrad 43m
39 ** The Hustler HVS 4cTrad 40m
40 * The Third Man E1 5bTrad 43m
41 * Gringo E1 5bTrad 46m
42 High Noon E1 5bTrad 36m

1.1.3. Easter Island Gully Area 17 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 ** Swastika E1 5cTrad 62m
2 ** This Year's Model E3 5cTrad 61m
3 Boil All Irishmen E5 6bTrad 60m
4 *** Hombre E1 5bTrad 64m
5 * Big Gut VS 4cTrad 52m
6 * Tape Worm HVS 5aTrad 50m
7 ** Phagocyte HVS 5aTrad 45m
8 ** Wonderwall E3 6aTrad 45m
9 ** I Wonder Why E5 6aTrad 40m
10 ** Supercrack E3 5cTrad 30m
11 * Neutrino E1 5bTrad 30m
12 The Real Keel E5 6bTrad 23m
13 * Annihilator E5 6aTrad 30m
14 For Madmen Only E5 6aTrad 30m
15 ** Ormuzd E4 5cTrad 33m
16 * Ahriman HVS 5aTrad 37m
17 * Gazebo HVS 5aTrad 30m

1.1.4. Wen Zawn Area 17 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 * Dde HVS 5aTrad 110m
2 *** Dream of White Horses HVS 5aTrad 250m
3 ** Zeus E2 5bTrad 66m
4 ** Wen HVS 5aTrad 100m
5 * High Pressure E4 5cTrad 55m
6 ** The Quartz Icicle E2 5bTrad 62m
7 *** The Concrete Chimney HVS 5aTrad 70m
8 ** Hardback Thesaurus E7 6bTrad 30m
9 *** T. Rex E3 5cTrad 120m
10 *** Conan the Librarian E7 6bTrad 95m
11 The Unrideable Donkey E7 6bTrad 60m
12 Uhuru E1 5aTrad 60m
13 * Dislocation Dance E3 5cTrad 27m
14 * Evidently Chickentown E5 6bTrad 35m
15 *** Britomartis HVS 4cTrad 58m
16 ** Toiler on the Sea E2 5bTrad 62m
17 ** Spider Wall HVS 5aTrad 60m

1.1.5. Flytrap Area 3 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 *** Flytrap E2 5bTrad 82m
2 ** Arachnid E4 5cTrad 30m
3 ** 20,000 Leagues Under the Sea E4 6aTrad 30m

1.1.6. North Stack 20 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 Wall of Horrors E2 5bTrad 45m
2 Birth Trauma E6 6aTrad 43m
3 Art Groupie E6 6bTrad 40m
4 ** Blue Peter E4 5cTrad 40m
5 ** Flower of Evil E7 6bTrad 37m
6 ** A Wreath of Deadhly Nightshade E7 6bTrad 40m
7 *** The Hollow Man E7 6bTrad 43m
8 ** The Clown E7 6bTrad 45m
9 ** The Bells! The Bells! E7 6bTrad 45m
10 *** The Cad E5 6aTrad 37m
11 ** The Long Run E5 6aTrad 38m
12 * Stroke of the Fiend E7 6bTrad 40m
13 ** South Sea Bubble E3 5cTrad 35m
14 * The Demons of Bosch E7 6bTrad 35m
15 Nice 'n Sleazy E1 5aTrad 35m
16 ** Talking Heads E2 5bTrad 37m
17 Live at the Witch Trials E6 6bTrad 38m
18 * Not Fade Away E4 5cTrad 40m
19 Penelope Undercling E5 6bTrad 35m
20 Bank Holiday Bypass VS 4cTrad 27m

1.1.7. Tsunami Zawn 0 routes in Crag

1.1.8. South Stack Island Area 0 routes in Crag

1.1.9. Mousetrap Zawn 0 routes in Crag

1.1.10. Red Wall Area 0 routes in Crag

1.1.11. Castell Helen 5 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 Lighthouse Arete VS 4cTrad 80m
2 ** Lighthouse Arete Direct VS 4cTrad 75m
3 ** Blanco HVS 5aTrad 60m
4 *** North west Passage E1Trad 70m
5 * Pel VS 4cTrad

1.1.12. Yellow Wall 0 routes in Crag

1.1.13. Penlas Rock 0 routes in Crag

1.1.14. Smurf Zawn Area 0 routes in Crag

1.1.15. Holyhead Mountain 25 routes in Crag

Summary:
All Trad
Description:

The under-rated bit of Gogarth that everyone always seems to pop back to because actually, it's a pretty good crag. Largely solid quartzite, with a great grade range and quality routes within each of the grades. Catches the sun pretty much all day.

RouteGradeStyleSelected ascents
1 Hat VDTrad 25m
2 *** King Bee Crack HVS 5aTrad 37m
3 ** Cursing VS 4cTrad 22m
4 Little Women

A varied route with a steep first pitch and a serious slabby finish.

1.5a Start in the tall cave to the right of 'Skinned Up' - at the foot of 'Teaser'. Climb to the top of the cave and pull out through blocks into a steep corner bounding the pinnacle on the right. Thrutch up this quickly to a big flat ledge. Thread Belays.

  1. 4c Climb the centre of the slabby back wall, thin and poorly protected.

FFA: Mike Gresham; Dave Birch, 1982

HVS 5aTrad 32m
5 * Teaser VS 4cTrad 22m
6 Laceration VS 5aTrad 22m
7 New Boots and Panties STrad 22m
8 Old Boots and Cut-Offs HSTrad 20m
9 Mrs Murdock S 4aTrad 18m
10 *** Katana E4 6aTrad 37m
11 *** Sai Dancing

Start at the foot of 'Katana'. Climb straight up the wall immediately right of Katana, via small pockets and cracks, to a ledge on 'Penny'. Follow Penny for about 4 meters, then move diagonally right across the steep headwall, with difficulty, to a crack. Climb this to a good hold and an old peg at it's top. Pull up onto the upper slabbier area then aim left to an overhung groove and follow this, with interest, to the top. An excellent pitch.

FA: Mike Gresham

E4 6bTrad 40m
12 * Penny E3 5cTrad 37m
13 * See Emily Play

Start up the arete left of the corner of Tension - a bit bold unless you sidle rightwards into Tension itself. Jonin the groove of tension for 4 mts before launching out rightwards (rather pleasantly wild) across the undercut flake to a good layaway hold at it's end. Finish direct.

FFA: Mike Gresham; Julian Dalton, 1983

HVS 5aTrad 30m
14 ** Tension VS 4bTrad 25m
15 ** Bruvers HVSTrad 25m
16 * Tempest S 4aTrad 15m
17 Black Owen VDTrad 38m
18 Hammer S 4aTrad 10m
19 Surprise E1 5bTrad 10m
RouteGradeStyleSelected ascents
20 Stairs STrad 37m
21 Teenage Kicks S 4aTrad 30m
22 Thread STrad 34m
23 Wind E1Trad 37m
24 Breaking the Barrier E1 5bTrad 26m
25 * Romulus VS 5aTrad

1.1.16. Rhoscolyn 3 routes in Crag

Summary:
All Trad
RouteGradeStyleSelected ascents
1 Baggers Crack STrad
2 S.... Hawk Alley DTrad
3 Truant VS 4bTrad

1.2. Porthdafarch 5 routes in Crag

Summary:
RouteGradeStyleSelected ascents
1 The Flakes of Wrath E1 5aTrad 12m
2 * The Smog Monster E1 5bTrad 14m
3 Fantastic Day E1 5aTrad 15m
4 Dog Poo E2 5cTrad 12m
5 Poo Dog E2 5bTrad 8m

1.3. Indy Climbing Wall 0 routes in Gym

1.4. Holyhead Mountain 6 routes in Crag

Summary:

Long/Lat: -4.673020, 53.312788

RouteGradeStyleSelected ascents
1 Curtains VS 4cTrad
2 Cursing VS 4cTrad
3 Laceration VS 5aTrad
4 Pleasant Surprise HS 4cTrad
5 Duffel HS 4bTrad
6 The Elephant's Arse S 4bTrad

2. Index by grade

Grade Stars Name Style Area
D S.... Hawk Alley Trad 1.1.16. Rhoscolyn
VD Black Owen Trad 38m 1.1.15. Holyhead Mountain
Hat Trad 25m 1.1.15. Holyhead Mountain
S 4a Hammer Trad 10m 1.1.15. Holyhead Mountain
Mrs Murdock Trad 18m 1.1.15. Holyhead Mountain
Teenage Kicks Trad 30m 1.1.15. Holyhead Mountain
* Tempest Trad 15m 1.1.15. Holyhead Mountain
S 4b Puffin Trad 64m 1.1.1. Upper Tier
The Elephant's Arse Trad 1.4. Holyhead Mountain
S New Boots and Panties Trad 22m 1.1.15. Holyhead Mountain
Stairs Trad 37m 1.1.15. Holyhead Mountain
Thread Trad 34m 1.1.15. Holyhead Mountain
Baggers Crack Trad 1.1.16. Rhoscolyn
HS 4b Duffel Trad 1.4. Holyhead Mountain
HS Old Boots and Cut-Offs Trad 20m 1.1.15. Holyhead Mountain
HS 4c Pleasant Surprise Trad 1.4. Holyhead Mountain
VS 4b ** Bezel Trad 49m 1.1.1. Upper Tier
** Tension Trad 25m 1.1.15. Holyhead Mountain
Truant Trad 1.1.16. Rhoscolyn
VS 4c * Bloody Chimney Trad 55m 1.1.1. Upper Tier
* Big Gut Trad 52m 1.1.3. Easter Island Gully Area
Bank Holiday Bypass Trad 27m 1.1.6. North Stack
Lighthouse Arete Trad 80m 1.1.11. Castell Helen
** Lighthouse Arete Direct Trad 75m 1.1.11. Castell Helen
* Pel Trad 1.1.11. Castell Helen
** Cursing Trad 22m 1.1.15. Holyhead Mountain
* Teaser Trad 22m 1.1.15. Holyhead Mountain
Cursing Trad 1.4. Holyhead Mountain
Curtains Trad 1.4. Holyhead Mountain
HVS 4c ** The Hustler Trad 40m 1.1.2. Main Cliff
*** Britomartis Trad 58m 1.1.4. Wen Zawn Area
HVS 5a ** Central Park Trad 60m 1.1.1. Upper Tier
** The Gauntlet Trad 50m 1.1.1. Upper Tier
** The Ramp Trad 55m 1.1.1. Upper Tier
* Diogenes Trad 53m 1.1.2. Main Cliff
* Hud Trad 44m 1.1.2. Main Cliff
Mulatto Trad 45m 1.1.2. Main Cliff
** Pentathol Trad 98m 1.1.2. Main Cliff
*** Scavenger Trad 88m 1.1.2. Main Cliff
* Ahriman Trad 37m 1.1.3. Easter Island Gully Area
* Gazebo Trad 30m 1.1.3. Easter Island Gully Area
** Phagocyte Trad 45m 1.1.3. Easter Island Gully Area
* Tape Worm Trad 50m 1.1.3. Easter Island Gully Area
* Dde Trad 110m 1.1.4. Wen Zawn Area
*** Dream of White Horses Trad 250m 1.1.4. Wen Zawn Area
** Spider Wall Trad 60m 1.1.4. Wen Zawn Area
*** The Concrete Chimney Trad 70m 1.1.4. Wen Zawn Area
** Wen Trad 100m 1.1.4. Wen Zawn Area
** Blanco Trad 60m 1.1.11. Castell Helen
*** King Bee Crack Trad 37m 1.1.15. Holyhead Mountain
Little Women Trad 32m 1.1.15. Holyhead Mountain
* See Emily Play Trad 30m 1.1.15. Holyhead Mountain
VS 5a Laceration Trad 22m 1.1.15. Holyhead Mountain
* Romulus Trad 1.1.15. Holyhead Mountain
Laceration Trad 1.4. Holyhead Mountain
HVS ** Bruvers Trad 25m 1.1.15. Holyhead Mountain
E1 5a Uhuru Trad 60m 1.1.4. Wen Zawn Area
Nice 'n Sleazy Trad 35m 1.1.6. North Stack
Fantastic Day Trad 15m 1.2. Porthdafarch
The Flakes of Wrath Trad 12m 1.2. Porthdafarch
E1 *** North west Passage Trad 70m 1.1.11. Castell Helen
Wind Trad 37m 1.1.15. Holyhead Mountain
HVS 5b ** Cordon Bleu Trad 150m 1.1.2. Main Cliff
Heroin Trad 55m 1.1.2. Main Cliff
E1 5b Bitter Days Trad 62m 1.1.1. Upper Tier
** Park Lane / Doomsville Trad 55m 1.1.1. Upper Tier
*** Emulator Trad 45m 1.1.2. Main Cliff
*** Gogarth Trad 200m 1.1.2. Main Cliff
* Gringo Trad 46m 1.1.2. Main Cliff
High Noon Trad 36m 1.1.2. Main Cliff
** Mestizo Trad 43m 1.1.2. Main Cliff
*** Nightride Trad 72m 1.1.2. Main Cliff
** Resolution Trad 93m 1.1.2. Main Cliff
* Sunstroke Trad 55m 1.1.2. Main Cliff
* The Third Man Trad 43m 1.1.2. Main Cliff
*** Hombre Trad 64m 1.1.3. Easter Island Gully Area
* Neutrino Trad 30m 1.1.3. Easter Island Gully Area
Breaking the Barrier Trad 26m 1.1.15. Holyhead Mountain
Surprise Trad 10m 1.1.15. Holyhead Mountain
* The Smog Monster Trad 14m 1.2. Porthdafarch
E2 5b * Fail Safe Trad 53m 1.1.1. Upper Tier
* The Eternal Optimist Trad 46m 1.1.1. Upper Tier
*** The Strand Trad 49m 1.1.1. Upper Tier
* U.F.O. Trad 64m 1.1.1. Upper Tier
** Resolution Direct Trad 71m 1.1.2. Main Cliff
** The Quartz Icicle Trad 62m 1.1.4. Wen Zawn Area
** Toiler on the Sea Trad 62m 1.1.4. Wen Zawn Area
** Zeus Trad 66m 1.1.4. Wen Zawn Area
*** Flytrap Trad 82m 1.1.5. Flytrap Area
** Talking Heads Trad 37m 1.1.6. North Stack
Wall of Horrors Trad 45m 1.1.6. North Stack
Poo Dog Trad 8m 1.2. Porthdafarch
E1 5c ** Fifth Avenue Trad 70m 1.1.1. Upper Tier
* Phaedra Trad 53m 1.1.2. Main Cliff
** Swastika Trad 62m 1.1.3. Easter Island Gully Area
E2 5c * Hypodermic Trad 95m 1.1.2. Main Cliff
** Stimulator Trad 50m 1.1.2. Main Cliff
Dog Poo Trad 12m 1.2. Porthdafarch
E3 5c Dangerous Rhythm Trad 62m 1.1.1. Upper Tier
** Winking Crack Trad 67m 1.1.1. Upper Tier
** Syringe Trad 94m 1.1.2. Main Cliff
** The Assassin Trad 88m 1.1.2. Main Cliff
*** The Big Groove Trad 110m 1.1.2. Main Cliff
* The Needle Trad 92m 1.1.2. Main Cliff
** The Rat Race Trad 120m 1.1.2. Main Cliff
** Supercrack Trad 30m 1.1.3. Easter Island Gully Area
** This Year's Model Trad 61m 1.1.3. Easter Island Gully Area
* Dislocation Dance Trad 27m 1.1.4. Wen Zawn Area
*** T. Rex Trad 120m 1.1.4. Wen Zawn Area
** South Sea Bubble Trad 35m 1.1.6. North Stack
* Penny Trad 37m 1.1.15. Holyhead Mountain
E2 6a ** Aardvark Trad 45m 1.1.2. Main Cliff
E4 5c ** Ormuzd Trad 33m 1.1.3. Easter Island Gully Area
* High Pressure Trad 55m 1.1.4. Wen Zawn Area
** Arachnid Trad 30m 1.1.5. Flytrap Area
** Blue Peter Trad 40m 1.1.6. North Stack
* Not Fade Away Trad 40m 1.1.6. North Stack
E3 6a *** Strike Trad 57m 1.1.1. Upper Tier
** Wonderwall Trad 45m 1.1.3. Easter Island Gully Area
E4 6a * Bubbly Situation Blues Trad 55m 1.1.2. Main Cliff
* Sebastopol Trad 98m 1.1.2. Main Cliff
** 20,000 Leagues Under the Sea Trad 30m 1.1.5. Flytrap Area
*** Katana Trad 37m 1.1.15. Holyhead Mountain
E5 6a ** Run Fast, Run Free Trad 43m 1.1.1. Upper Tier
** Dinosaur Trad 110m 1.1.2. Main Cliff
*** Hunger Trad 90m 1.1.2. Main Cliff
*** Ordinary Route Trad 140m 1.1.2. Main Cliff
*** Positron Trad 60m 1.1.2. Main Cliff
* Annihilator Trad 30m 1.1.3. Easter Island Gully Area
For Madmen Only Trad 30m 1.1.3. Easter Island Gully Area
** I Wonder Why Trad 40m 1.1.3. Easter Island Gully Area
*** The Cad Trad 37m 1.1.6. North Stack
** The Long Run Trad 38m 1.1.6. North Stack
E4 6b *** Sai Dancing Trad 40m 1.1.15. Holyhead Mountain
E5 6b * The Cruise Trad 65m 1.1.1. Upper Tier
* The Horrorshow Trad 62m 1.1.1. Upper Tier
*** Alien Trad 93m 1.1.2. Main Cliff
*** Citadel Trad 100m 1.1.2. Main Cliff
** Mammoth Trad 62m 1.1.2. Main Cliff
** The Tet Offensive Trad 120m 1.1.2. Main Cliff
Boil All Irishmen Trad 60m 1.1.3. Easter Island Gully Area
The Real Keel Trad 23m 1.1.3. Easter Island Gully Area
* Evidently Chickentown Trad 35m 1.1.4. Wen Zawn Area
Penelope Undercling Trad 35m 1.1.6. North Stack
E6 6a ** Eraserhead Trad 87m 1.1.2. Main Cliff
Birth Trauma Trad 43m 1.1.6. North Stack
E6 6b *** Barbarossa Trad 52m 1.1.1. Upper Tier
* Blackleg Trad 48m 1.1.1. Upper Tier
** Mammoth Direct Trad 33m 1.1.2. Main Cliff
*** Skinhead Moonstomp Trad 80m 1.1.2. Main Cliff
** The Big Sleep Trad 62m 1.1.2. Main Cliff
** Wall of Fossils Trad 60m 1.1.2. Main Cliff
Art Groupie Trad 40m 1.1.6. North Stack
Live at the Witch Trials Trad 38m 1.1.6. North Stack
E6 6c * Hang Ten (in the Green Room) Trad 28m 1.1.1. Upper Tier
Psychocandy Trad 18m 1.1.1. Upper Tier
Strike Direct Trad 30m 1.1.1. Upper Tier
E7 6b *** Conan the Librarian Trad 95m 1.1.4. Wen Zawn Area
** Hardback Thesaurus Trad 30m 1.1.4. Wen Zawn Area
The Unrideable Donkey Trad 60m 1.1.4. Wen Zawn Area
** A Wreath of Deadhly Nightshade Trad 40m 1.1.6. North Stack
** Flower of Evil Trad 37m 1.1.6. North Stack
* Stroke of the Fiend Trad 40m 1.1.6. North Stack
** The Bells! The Bells! Trad 45m 1.1.6. North Stack
** The Clown Trad 45m 1.1.6. North Stack
* The Demons of Bosch Trad 35m 1.1.6. North Stack
*** The Hollow Man Trad 43m 1.1.6. North Stack