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| English | Russian |
| along the upper reaches of a river | в верховье (Andrey Truhachev) |
| along the upper reaches of a river | в верхнем течении (Andrey Truhachev) |
| at the upper reaches of a river | в верховье (Andrey Truhachev) |
| at the upper reaches of a river | в верхнем течении (Andrey Truhachev) |
| on the upper reaches of a river | в верхнем течении (Andrey Truhachev) |
| on the upper reaches of a river | в верховье (Andrey Truhachev) |