Overview
The Yazawa River is a first-class river of the Tama River system, about 3.7 km long, flowing through the southern part of Setagaya Ward, Tokyo. Its greatest attraction is Todoroki Ravine, a rare urban gorge carved by the river, where visitors can enjoy lush greenery and clear water that feels far removed from central Tokyo.
Highlights
- ●Todoroki Ravine, a rare inner-city gorge
- ●Clear waters of the Tama River system
- ●Walking paths laid along the ravine
- ●Lush greenery that belies its urban setting
History
The Yazawa River eroded the plateau to carve out Todoroki Ravine, a gorge landform unusual for Tokyo's inner wards. Long cherished as land blessed with spring water and greenery, it is now lined with walking paths that draw many visitors to enjoy the seasons.
Access
The river flows through southern Setagaya Ward, around 35.60°N, 139.64°E. For Todoroki Ravine, the nearest station is Todoroki on the Tokyu Oimachi Line, from which the ravine entrance is a short walk. Check official sources for the exact entrance and path conditions.
Best season
Early summer, with its dazzling fresh greenery, and autumn, when the trees turn color, are especially recommended. In summer the ravine stays cooler than its surroundings, making it a fine urban refuge for a walk.
Map
35.5975, 139.6444 · Wikidata
Suggested itinerary
- 1Start from Todoroki Station on the Tokyu Oimachi Line
- 2Enter the ravine and follow the riverside path
- 3Stroll slowly beside the clear stream and greenery
- 4Exit the ravine and visit nearby temples and shrines
Did you know?
💡 Though only 3.7 km long, this small river created what is said to be the only genuine ravine within Tokyo's 23 wards. Many visitors are surprised that such nature survives so close to the city center.
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