I had visited the forested hills around Sayama Lake earlier in the year, but felt like exploring the area some more; I decided to do a morning hike since the parks sit comfortably within the city. I would start from a prominent hill on the north side, then follow a forest road leading to the south side, a shortcut for the perimeter road I followed in January; from there, I would go up and down some hills in the southwest corner of the park; finally, I would leave the hills on the west side, hopefully reaching a bus stop by noon. It was supposed to be fine spring day, sunny with comfortable temperatures; it had rained hard the day before, so the air would be crisp and clear. As before, I would take the local Seibu line to Kotesashi station, and then a bus along the north side of the lake; I could catch the same bus back from the end of the line. I was looking forward to an easy morning hike through a nature park within Tokyo.
Hiking in the Sayama Natural Park 都立狭山自然公園
May 2024 update: the Nawatake Forest Road is closed till at least 2026 due to fallen trees from typhoons in 2023
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Trail Leading to Akasaka

Top of Hira Hill
It was still pleasantly cool when I got off the bus at 9am next to a small shrine shrine under some cedars. After passing Kinsenji Temple, I turned left onto a lane leading up a hill, called Hira Hill (比良の丘 ひらのおか 155m), next to Midori no Mori Nature Park. The flat top area is used for farming, and walking among the fields, it felt like I had suddenly been transported to the countryside. It was now 9h30 so I had breakfast at a table under a huge Japanese Bird Cherry, probably a nice place for a picnic during the sakura season.

Signboard for Totoro’s Forest

Flower Field at the Top of Hira Hill
I was impressed by the serenity of this spot so close to the city. Nearby was a signboard for Totoro’s Forest #13, # 18 and #49. At the moment, there are 57 off these protected parcels of forestland. To the north, I had a view of the city between two wooded areas; on the south side, Sayama lake was hidden behind a forested ridge. This whole area of hills and forests surrounding the lake is known as the Sayama Hills (狭山丘陵), one of the main features of the Musashino Plateau. I soon set off in the direction of the lake, heading down a faint footpath, and entering the forest, past a bridge across a creek.


Cherry Tree on Hira Hill (left) Forest Path to the Perimeter Road (right)

Walking the Nawatake Forest Road
I was stunned by the beauty of the forest, enhanced by the play of sunlight on the light green leaves, as I made my way up a switchback path. A little before 1oam, I reached the top of the ridge and the Sayama Perimeter road. I turned right, and after a few minutes, arrived at the gated entrance of the Nawatake Forest road on the left side. After passing through the door on the side, I made my way along the gravel path, surrounded by thick forest and silence, punctuated by intermittent birdsong.


A Green Corridor Within the City

South Side of the Sayama Perimeter Road
It felt like I had entered a secret section of the park: I saw few other people, birdwatchers with huge cameras, walking under the shade of trees crowding in on each side. Past Nawatake bridge (縄竹橋), where I had glimpse of the lake on the left, the path headed gently uphill for a while; less than half an hour later, I arrived at another gate, where the forest road rejoined the Perimeter Road. I soon ducked down a path on the right side, and at a parking lot, turned right onto a wooden walkway along Akasaka-yato (赤坂谷戸), a marshy area at the bottom of a valley.

Path Leading to Akasaka


Walking in the Akasaka Valley (left) Walking Down the Western Side (right)
It felt like I was walking through a hidden valley, lush vegetation on both sides. After some ups and downs, I arrived at Satoyama-minka (里山民家), a recreated traditional farmhouse from the Edo era, at the edge of the forest. It was past 11am, and I was behind schedule, so I skipped a visit, and headed up a charming valley, filled with paddy fields, and frogs, judging from the croaking noises. After a short climb through forest, I reached the observatory at the top of Mt Rokudo, merging with my previous hike. Heading west, I passed the triangulation point, and soon turned left onto a path down the hill side.

Viewpoint of the Okutama Mountains

End of the Hike at Takane
I arrived at a viewpoint of the Okutama mountains, the outlook partially obscured by trees, but I could still make out Mt Kawanori in the middle. After descending a log staircase, I reached the Takane residential area at the base of the hill, and after walking along a road for a short while, made it to the bus stop at Miyadera-Nishi just before noon. The hike had taken 3 hours as planned, although I had to speed up the pace at the end. I’d definitely like to return in the autumn to explore more trails, as well as visit the Satoyama Farmhouse.
See a video of the Sayama Hills Hike
See the video of the hike on Youtube

