程原川

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程原川 flows into 塩谷川 , which it joins at N 34° 59′ 3″, E 132° 40′ 38″ at OSM node n749048623, and there 14 km of total upstream flows in. load it's distributaries

程原川 has 2 tributaries.

• 谷山川, which joins it at N 34° 58′ 58″, E 132° 41′ 8″ at OSM node n749782171, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 34° 57′ 51″, E 132° 41′ 36″ at OSM node n750009266, and 419 m of total upstream flows in.
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