Contents

Mt. Iwawaki

897m · Osaka

Timetable checked 2026/05/17
Mt. Iwawaki897 mOsaka
🚃 Reachable by public transport · Day trip · Beginner · fine for beginners
Access ease Moderate
Gateway station Kawachinagano Station  →  Trailhead Takihata Dam
1 public-transport routes ・ Station→trailhead approx. 48 min
Beginner
Stamina2/10
TechnicalB some steep climbs
Trail time 5h 07mestimated
More figures and data sources
Distance 10.91 kmmeasuredTotal ascent ↑747 mmeasuredHighest point 895 m
📍 Distance, ascent and trail time are for the route shown on the map.
🌸 Best season: Mar, Apr, May, Sep, Oct, Nov bk
“bk” = data from books (being replaced with our own measurements). Distance, ascent and trail time are measured/estimated from the map route.

Mt. Iwawaki (岩湧山) is an 897m peak in Kawachi-Nagano City, Osaka Prefecture.
One of the New 100 Famous Japanese Mountains, the attractions are the susuki (pampas grass) grassland spreading over the entire summit and the grand view of the Osaka Plain and Osaka Bay. Katakuri flowers also bloom in spring. It is especially busy with hikers during the late-October susuki viewing season.
The popular route takes the bus from Kawachi-Nagano Station to the Takihata Dam bus stop and traverses to Kimitoge Station.

⚠ There are 2 bus routes to Takihata Dam, with different operating companies and fares (as of 2026-03-28)

  • Hino / Takihata Community Bus (operated by Kawachi-Nagano City, entrusted to Nankai Bus): multiple runs on both weekdays and weekends/holidays, departing from in front of Kawachi-Nagano Station Platform 6. For fare details, please check Kawachi-Nagano City official.
  • Nankai Bus Route 400 (Takamuko Line, 1 run on weekends/holidays only): in front of Kawachi-Nagano Station 8:30 → Takihata Dam Site 9:00, fare ¥510, departs from Platform 7.

* Schedule revisions were implemented on 2025-10-01 and 2026-03-28. Please always check the latest times on Nankai Bus official (2026-03-28 revised) and Kawachi-Nagano City official community bus.

Trail closure information: Mt. Iwawaki “Inishie no Michi” (around the 2nd parking lot ~ Shikisaikan stairs) remains under long-term closure due to falling rocks and fallen trees (Kawachi-Nagano City official).

When accessing Mt. Iwawaki by train and bus, the common route is to take the bus from Kawachi-Nagano Station to the Takihata Dam bus stop, then descend via Mt. Iwawaki to Kimitoge Station.
The Takihata Dam bus stop departure / arrival timetable and Mt. Iwawaki map are as follows.

*Timetable last checked: May 17, 2026

Access status

Closedthe Sugikodachi-no-michi trail in Iwawaki-no-Morithe whole Sugikodachi-no-michi trail

The Sugikodachi-no-michi trail is closed because of fallen trees (Kawachinagano City, updated 5 February 2026). This trail and the Inishie-no-michi described in the article below are the only two in Iwawaki-no-Mori with a closure notice (checked 2 August 2026).

Alternative: the Iwawaki-no-michi, Kyuzaka-no-michi and other trails with no closure notice

Based on the Kawachinagano City (Iwawaki-no-Mori Shikisaikan) of 5 February 2026; we checked the content ourselves on 2 August 2026. On 15 August 2026 we also re-confirmed automatically that the same restriction was still listed at the source. Source

ClosedIwawaki-san: Kyūzaka and Inishie trailsThe two main summit trails from the Shikisaikan visitor centre

Due to hazardous-tree felling, the Kyūzaka and Inishie trails will be closed from Monday 17 to Friday 21 August 2026 (the period may shift with the weather). If you plan a weekday climb in this window, check trail availability with the Shikisaikan centre (0721-63-5986). Separately, the Sugikodachi trail remains closed.

Alternative: Weekends (15–16 and 22–23 August) are not affected. For weekday climbs, phone the Shikisaikan centre in advance.

Based on the Kawachinagano City, Iwawaki Forest Shikisaikan centre of 21 July 2026; we checked the content ourselves on 13 August 2026. On 15 August 2026 we also re-confirmed automatically that the same restriction was still listed at the source. Source

How to access the trailheads

  1. [Outbound] Kawachi-Nagano Station → Takihata Dam
  2. [Return] Takihata Dam → Kawachi-Nagano Station

Hiking Course Details — Mt. Iwawaki

Click to show current location.
Click for full-screen view.

Map & Recommended Route — Mt. Iwawaki

Mt. Iwawaki — Reference Hiking Times

Standard pace; times rounded to 5 min
SegmentDistanceAscent/DescentForwardReverse
Takihata Dam Bus Stop → Toilet0.4 km+8 m / −11 m0:100:10
Toilet → Kakizako0.9 km+204 m / −27 m0:400:35
Kakizako → Steel Tower1.7 km+313 m / −4 m1:000:55
Steel Tower → Mt. Iwawaki1.3 km+136 m / −4 m0:350:30
Mt. Iwawaki → Toilet0.1 km+0 m / −15 m0:050:05
Toilet → Iwaki Trail Junction1.0 km+25 m / −110 m0:250:30
Iwaki Trail Junction → Amidayama-mae Junction1.0 km+34 m / −49 m0:200:20
Amidayama-mae Junction → Mt. Iwawaki 3rd Station1.5 km+6 m / −127 m0:300:35
Mt. Iwawaki 3rd Station → Koegataki Junction1.0 km+0 m / −288 m0:450:45
Koegataki Junction → Kimitoge Sta.2.0 km+22 m / −169 m0:400:45
Total10.9 km+747 m / −805 m5:055:15

1. [Outbound] Kawachi-Nagano Station → Takihata Dam

From Kawachi-Nagano Station on the Nankai Koya Line, board the Nankai Bus bound for Takihata Dam and get off at the terminus, Takihata Dam bus stop
Travel time: about 48 minutes
Fare: ¥560

Bus TimetableFrom Kawachi-Nagano Station to Takihata Dam

Kawachi-Nagano StationTakihata Dam
9:049:52
11:0211:50
12:3013:18
13:2114:09
15:2116:09
16:2117:06
17:1718:02
18:1619:04
20:0020:45
21:3822:23

Reference: [Nankai Bus official]

2. [Return] Takihata Dam → Kawachi-Nagano Station

From the Takihata Dam bus stop, board the Nankai Bus bound for Kawachi-Nagano Station and get off at the terminus.
Travel time: about 48 minutes
Fare: ¥560

Bus TimetableFrom Takihata Dam to Kawachi-Nagano Station

Takihata DamKawachi-Nagano Station
6:026:47
6:437:28
7:278:12
8:078:52
10:0310:51
12:0012:48
13:2514:13
14:1915:07
16:1917:07
17:1317:58
19:0819:53

Reference: [Nankai Bus official]

Photo bywikipedia

Your next mountain

Mt. Ponpon 100 Mountains of Kansai
BeginnerEasyDay tripTrail time 5h 2712.13 km

A grassy hilltop with a bird's-eye view of the Osaka Plain and Kyoto cityscape, named for the hollow thud the ground makes underfoot.

Mt. Izumikatsuragi 100 Mountains of Kansai
BeginnerModerateDay tripTrail time 4h 007.5 km
Mt. Kongo 200 Famous Mountains
BeginnerModerateDay tripTrail time 3h 307.3 km

A Kansai favorite with a deep culture of daily hiking, drawing a steady stream of climbers year-round to this long-revered sacred mountain.

Mt. Otowa 100 Mountains of Kansai
BeginnerModerateDay tripTrail time 4h 108.1 km

Climbed it? Stamp your logbook