Here’s a list of the longitude/latitude coordinates for all the parking locations in the book.

The numbers correspond to the location numbers in the book.  Coordinates are given in degrees format, as well as degrees and minutes format.

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Location Coordinates (degrees format) Coordinates (degrees and minutes format)
1 Lakeside car park 53.122718, -4.126924
The lone tree car park 53.126122, -4.133333
Parking at the bottom of the lake 53.138256, -4.154771		 N 53 07.363 W 4 07.615
N 53 07.567 W 4 08.000
N 53 08.295 W 4 09.286
2 Castle car park 53.117924, -4.116169 ​N 53 07.075  W 4 06.970​
3 Electric Mountain car park  53.119426, -4.122979 ​N 53 07.166  W 4 07.379
4 Higher viewpoint parking 53.128140, -4.108307
National Slate Museum car park 53.121889, -4.115265		 N 53 07.688  W 4 06.498
N 53 07.313  W 4 06.916
5 River layby 53.089700, -4.049544
Pen-y-Pass car park 53.080523, -4.020554		 N 53 05.382  W 4 02.973
N 53 04.831  W 4 01.233
6 Pen-y-Pass car park 53.080523, -4.020554 N 53 04.831  W 4 01.233
7 Pen-y-Pass car park 53.080523, -4.020554 N 53 04.831  W 4 01.233
8 N/A N/A
9 ​Layby 53.083670, -4.000511 ​N 53 05.020  W 4 00.031
10 Higher viewpoint 53.067706, -4.004235
Lower viewpoint 53.057099, -4.004154
Laybys by shore 53.047233, -4.017536		 N 53 04.062  W 4 00.254
N 53 03.426  W 4 00.249
N 53 02.834  W 4 01.052
11 Car park 53.035683, -4.047871 N 53 02.141  W 4 02.872
12 Layby 53.023573, -4.070311 N 53 01.414  W 4 04.219
13 Llyn y Dywarchen parking 53.057792, -4.151556
Llyn y Gader parking 53.051700, -4.139973		 N 53 03.468  W 4 09.093
N 53 03.102  W 4 08.398
14 Ogwen Cottage car park 53.123699, -4.020207 N 53 07.422  W 4 01.212
15 Ogwen Cottage car park 53.123699, -4.020207 N 53 07.422  W 4 01.212
16 Layby at the east end 53.122871, -4.002135
Ogwen Cottage car park 53.123699, -4.020207		 N 53 07.372  W 4 00.128
N 53 07.422  W 4 01.212
17 Ogwen Cottage car park 53.123699, -4.020207 N 53 07.422  W 4 01.212
18 Ogwen Cottage car park 53.123699, -4.020207 N 53 07.422  W 4 01.212
19 Layby 53.125227, -3.991026 N 53 07.514  W 3 59.462
20 Gwern Gos Isaf campsite 53.123454, -3.966348 ​N 53 07.407  W 3 57.981​
21 Roadside parking 53.136774, -3.864505 N 53 08.206  W 3 51.870
22 Roadside parking 53.136767, -3.796267
Car park 53.139364, -3.801975		 N 53 08.206  W 3 47.776
N 53 08.362  W 3 48.119
23 Viewpoint A layby 53.099055, -3.933003
Viewpoint B layby 53.102209, -3.919895		 N 53 05.943  W 3 55.980
N 53 06.133  W 3 55.194
24 Car park 53.106022, -3.912802 N 53 06.361  W 3 54.768
25 Layby 53.102558, -3.844254 N 53 06.153  W 3 50.655
26 Car park 53.075224, -3.794561 N 53 04.513  W 3 47.674
27 Parking area 52.989961, -3.963543 N 52 59.398  W 3 57.813
28 Parking area 52.989961, -3.963543 N 52 59.398  W 3 57.813
29 Roadside parking 52.963085, -4.165254 N 52 57.785  W 4 09.915
30 Layby at eastern end 52.920642, -4.106069
Porthmadog car park 52.926965, -4.127927		 N 52 55.239  W 4 06.364
N 52 55.618  W 4 07.676
31 Village car park 52.857164, -4.108085
Beach car park 52.863411, -4.119291		 N 52 51.430  W 4 06.485
N 52 51.805  W 4 07.157
32 Car park 52.833251, -4.125621 N 52 49.995  W 4 07.537
33 Seafront 52.719927, -4.054709 N 52 43.196  W 4 03.283
34 Car park 52.729451, -4.037908 N 52 43.767  W 4 02.274
35 Car park 52.709858, -3.988534 N 52 42.591  W 3 59.312
36 Car park 52.622932, -3.996498 N 52 37.376  W 3 59.790
37 Car park 53.293148, -3.643641 N 53 17.589  W 3 38.618
38 Closest parking 53.329558, -3.828500 N 53 19.773  W 3 49.710
39 Small car park 53.280260, -3.827967
Big car park 53.279057, -3.828517		 N 53 16.816  W 3 49.678
N 53 16.743  W 3 49.711
40 Car park 53.228208, -4.005253 N 53 13.692  W 4 00.315
41 Castle car park 53.138932, -4.276039 N 53 08.336  W 4 16.562
42 Beach front parking 53.083924, -4.335925 N 53 05.035  W 4 20.155
43 Car park 52.997697, -4.421830 N 52 59.862  W 4 25.310
44 Car park 53.310601, -4.042041 N 53 18.636  W 4 02.522
45 Car park 53.388058, -4.351128 N 53 23.283  W 4 21.068
46 Visitor Centre car park 53.305072, -4.690669 N 53 18.304  W 4 41.440
47 Beach parking 53.184528, -4.485549 N 53 11.072  W 4 29.133
48 Car park 53.144309, -4.385031 N 53 08.659  W 4 23.102
49 Car park 53.144309, -4.385031 ​N 53 08.659  W 4 23.102
50 ​A5 layby 53.222429, -4.183815
Coed Cyrnol car park 53.224577, -4.167170		 ​N 53 13.346  W 4 11.029
N 53 13.475  W 4 10.030
Extras Talacre Beach car park 53.352513, -3.317124
Pistyll Rhaeadr car park 52.854978, -3.376898
Castell Dinas Brân parking 52.980313, -3.143702		 N 53 21.151  W 3 19.027
N 52 51.299  W 3 22.614
N 52 58.819  W 3 08.622