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121
South Wales Transport

121 bus timetable: Ystradgynlais to Penywern via Circular

Ystradgynlais - Penywern via Circular

Mode Bus

Ystradgynlais Bus Station Stand 2 → Ystradgynlais Bus Station Stand 2

11 trips · first 08:37 · last 16:50
Mon, Wed, Fri Live Valid 2026-06-05 – 2027-06-02

Swipe sideways to see later trips.

Stop
08:37 Ystradgynlais Bus Station Stand 2
09:10 Ystradgynlais Bus Station Stand 2
10:10 Ystradgynlais Bus Station Stand 2
11:10 Ystradgynlais Bus Station Stand 2
12:40 Ystradgynlais Bus Station Stand 2
13:40 Ystradgynlais Bus Station Stand 2
14:40 Ystradgynlais Bus Station Stand 2
14:40 Ystradgynlais Bus Station Stand 2
16:00 Ystradgynlais Bus Station Stand 2
16:19 Ystradgynlais Bus Station Stand 2
16:50 Ystradgynlais Bus Station Stand 2
Ystradgynlais Bus Station Stand 2 at
08:59
09:10
10:10
11:10
12:40
13:40
14:40
14:40
16:00
16:41
16:50
Gurnos Primary School near
·
·
10:16
·
12:46
·
14:46
14:46
·
·
16:56
Glanrhyd Hospital outside
·
09:14
·
11:14
·
13:44
·
·
16:04
·
·
Ystradgynlais, Tesco Ystradgynlais at
08:52
09:17
10:20
11:17
12:50
13:47
14:50
14:50
16:07
16:34
17:00
Glanrhyd Hospital opposite
08:55
·
10:50
·
13:20
·
·
15:20
16:37
16:37
17:30
Ystalyfera, New Swan Inn outside
·
09:19
10:22
11:19
12:52
13:49
14:52
14:52
16:09
·
17:02
Ystalyfera, Farteg near
·
09:21
10:24
11:21
12:54
13:51
14:54
14:54
16:11
·
17:04
Ystalyfera Asda outside
·
09:24
10:27
11:24
12:57
13:54
14:57
14:57
16:14
·
17:07
Pantyffynnon, Hodgson's Road outside 35
·
09:28
10:31
11:28
13:01
13:58
15:01
15:01
16:18
·
17:11
Pantyffynnon, Graig Newydd Estate after
08:37
09:29
10:32
11:29
13:02
13:59
·
15:02
16:19
16:19
17:12
Pantyffynnon, Pantyffynon Terrace opposite
08:39
09:31
10:34
11:31
13:04
14:01
·
15:04
16:21
16:21
17:14
Ystalyfera, Allt-y-Grug at
08:45
09:37
10:40
11:37
13:10
14:07
·
15:10
16:27
16:27
17:20
Ystalyfera, New Swan Inn before
08:50
09:42
10:45
11:42
13:15
14:12
·
15:15
16:32
16:32
17:25
Ystradgynlais, Tesco Ystradgynlais at
·
09:44
10:47
11:44
13:17
14:14
·
15:17
16:34
·
17:27
Gurnos Primary School near
·
09:46
·
11:46
·
14:16
·
·
·
·
·
Ystradgynlais Bus Station Stand 2 at
·
09:53
10:54
11:53
13:24
14:23
·
15:24
16:41
·
17:34

Timetable data from South Wales Transport, refreshed 2026-06-12 · Source: Traveline National Dataset (TNDS) · Service code SWAO121.

Main stops shown

16 main stops

The map can include more stops across directions; use All Stops above for the full timetable list.

  1. Ystradgynlais Bus Station Stand 2 at
  2. Gurnos Primary School near
  3. Glanrhyd Hospital outside
  4. Ystradgynlais, Tesco Ystradgynlais at
  5. Glanrhyd Hospital opposite
  6. Ystalyfera, New Swan Inn outside
  7. Ystalyfera, Farteg near
  8. Ystalyfera Asda outside
  9. Pantyffynnon, Hodgson's Road outside 35
  10. Pantyffynnon, Graig Newydd Estate after
  11. Pantyffynnon, Pantyffynon Terrace opposite
  12. Ystalyfera, Allt-y-Grug at
  13. Ystalyfera, New Swan Inn before
  14. Ystradgynlais, Tesco Ystradgynlais at
  15. Gurnos Primary School near
  16. Ystradgynlais Bus Station Stand 2 at