1. For this Survey of Ystcae one I walked from Ystrad Mynach to Caerphilly. This is the meeting point at Ystrad Mynach. 0 km from start — 27 Apr 2021
2. The first off road footpath at the end of Tredomen ystate. 0.94 km from start — 27 Apr 2021
3. 1.08 km from start — 27 Apr 2021
4. 1.19 km from start — 27 Apr 2021
5. Double slab type stile. Second one is difficult. 1.35 km from start — 27 Apr 2021
6. Open field 1.35 km from start — 27 Apr 2021
7. Narrow bridge and stile followed by flight of steps. 1.43 km from start — 27 Apr 2021
8. Boggy field, steep climb to farm 1.51 km from start — 27 Apr 2021
9. Gate locked, had to climb over. Rough path follows. 1.69 km from start — 27 Apr 2021
10. Uneven lane 1.7 km from start — 27 Apr 2021
11. Stile and gate 1.76 km from start — 27 Apr 2021
12. 1.95 km from start — 27 Apr 2021
13. Stile leading to track 2.04 km from start — 27 Apr 2021
14. Paved road 2.4 km from start — 27 Apr 2021
15. Cattle grid with gate, path changes to gravel track 2.59 km from start — 27 Apr 2021
16. Uneven stony track 2.79 km from start — 27 Apr 2021
17. Bench 3.3 km from start — 27 Apr 2021
18. Cattle grid with no side gate leading to paved road 7.04 km from start — 27 Apr 2021
19. Pavement 7.73 km from start — 27 Apr 2021
20. Footbridge over busy road (step free) 8.82 km from start — 27 Apr 2021
21. Path through Morgan Jones park 9.77 km from start — 27 Apr 2021
22. Caerphilly meeting point, train and bus station 11.05 km from start — 27 Apr 2021