A YAMAP activity record titled “周防台・岩山・四方台・貫山・大平山” covers a hike on the map area 平尾台・貫山・水晶山 (Hiraodai, Nukisan and Suishoyama). It is tagged 登山・山登り (mountain hiking), 低山 (low mountains) and ハイキング (hiking). The record’s published timestamp is 11 November 2026, 12:43 (+08:00). The log does not give a separate calendar date for the walk.
Recorded totals
- Elapsed time: 4 hours 50 minutes
- Distance: 8.7 km
- Ascent: 611 m
- Descent: 609 m
- Rest: 33 minutes
- Course constant: 16, graded ふつう (ordinary), calculated from a standard time of 4 hours 15 minutes
The same day totals are repeated in the log: 4 hours 50 minutes, 33 minutes of rest, 8.7 km, and 611 m of ascent / 609 m of descent. An average pace is mentioned, but no pace figure is given. The activity page also refers to GPX data.
Checkpoints
Clock times below are as listed. Paired times are shown as arrival–departure. An extra number is printed with each checkpoint except the finish; those numbers match the minutes between leaving that point and arriving at the next. They are not labeled in the source as elevation or rest, and the stated rest remains 33 minutes.
| Checkpoint | Times | Listed figure |
|---|---|---|
| Parking (駐車場) | 07:36 | 30 |
| Suodai (周防台) | 08:06–08:24 | 24 |
| Nakatoge (中峠) | 08:48–08:51 | 14 |
| Iwayama (岩山) | 09:05–09:17 | 13 |
| Shihodai (四方台) | 09:30–09:34 | 14 |
| Nukisan (貫山) | 09:48–09:57 | 10 |
| Shihodai (四方台) | 10:07–10:11 | 33 |
| Ohirayama (大平山) | 10:44–10:54 | 33 |
| Kisu-iwa (キス岩) | 11:27–11:40 | 32 |
| Nakatoge (中峠) | 12:12–12:13 | 12 |
| Parking (駐車場) | 12:25–12:26 | — |
The log ends at the parking area at 12:26. Suishoyama (水晶山) is part of the map name but does not appear among the checkpoints.
Original activity: YAMAP activity 52621657
