The phrase "crystal clear river" is correct and usable in written English.
You can use it when you want to describe a river that has clear, sparkling water. For example, "The mountain stream was a crystal clear river, surrounded by lush green trees."
Six crystal clear rivers flow through this landscape and into the Peel river, which travels north to the Arctic Ocean via the Mackenzie river delta.
As the player travels through Skyrim, they'll encounter dense woodlands, snow-capped mountains, majestic cities and crystal clear rivers that run throughout the map.
With a week to see the northwest corner of the country, Zsofia and I, a couple of nature-starved New Yorkers, decided to explore the back roads by car, aiming to gorge ourselves on the greenery and crystal clear rivers about which the guides we had pored over at home had raved.
This unspoiled region, surrounded by icy peaks, is made up of vast tundra, crisscrossed by crystal clear rivers, fed by pristine lakes, including Alaska's largest.
There are crystal-clear river pools to bathe in, but nowhere to buy a postcard.
As the name suggests, the Cathedral Cave boasts an awe-inspiring vaulted ceiling and crystal-clear river for an aisle.
But its role at the heart of the Abe-led Shinto revival would make a G7 leaders' visit more than a carefree stroll admiring the shrine's sprawling ancient forest and crystal-clear river.
After clubbing all night in Buenos Aires, check out the world's longest waterfall, Iguazú Falls, on the border of Argentina and Brazil, then head to Bonito in Brazil to snorkel through the crystal-clear river waters.
High up, on the woodland edge, are red deer and the scarce heath fritillary butterfly, while the tracks of the valley bottom hug the crystal-clear River Horner, the haunt of the dipper and the wild brown trout.
In Boyle in County Roscommon in the west of Ireland, shoals of trout hover in the crystal-clear river in the town, but the drinking water supply presents a different picture.
