The phrase "along that river" is correct and usable in written English.
You can use it to describe a location or direction in relation to a river.
Example: "We decided to take a leisurely walk along that river, enjoying the scenery and fresh air."
Alternatives: "beside that river" or "next to that river".
"What worries me is that if there are more drugs moving along that river," Mayor Baquedano said, "more of our people are going to be attacked".
She wants to know why they weren't warned about the lifting of the Foss Barrier sooner, why there wasn't a plan in place to protect houses along that river, and why were they put in that position in the first place.
Hence Kosovo is now a state, but the north remains under Serbian sovereignty, because Kosovo's writ doesn't reach beyond the Ibar: the borders of the new state therefore don't coincide with those of the former Serbian province of Kosovo and Metohija, but run along that river.
The SRS has performed an important function in preventing large amounts of sediment from reaching and filling a reach of the Cowlitz River farther downstream and thus preventing serious seasonal flooding in communities along that river.
Ruse prospered due to its role as a major port on the Danube, its rapid industrial development and its well-established ties with Central Europe along that river.
Heat now comes from the thousands of hard-fighting steelhead that run that river, along with the Rocky, Chagrin and Euclid.
I want the young men who died or were wounded along that river--some 200,000 of them--remembered.
PROS Can go places along the river that are hard to reach over land.
She walked along the river that crosses the city, and found a food market on a dusty plaza.
In Paterson, Johanna Vasquez, 25, runs a 99-cent store, one of the few businesses along the river that were open on Wednesday.
The land in Central Oregon is severe and unforgiving — high scrubgrass desert, jagged mountains and a marshy zone along the river that would have stymied 19th-century travelers.
