How to Say "rapids" in Spanish
The Spanish word for “rapids” is “rápidos” — B1 level.
English → SpanishB1
NounB1
fast-flowing section of a river

Examples
Hicimos rafting en los rápidos del río Baker.
We went rafting in the rapids of the Baker River.
Cruzar esos rápidos requiere mucha experiencia.
Crossing those rapids requires a lot of experience.
Always Plural
When referring to the moving water in a river, 'rápidos' is almost always used in the plural form, just like 'rapids' in English.
Using the Singular Noun
Mistake: “El rápido es peligroso.”
Correction: Los rápidos son peligrosos. (Use the plural noun form for this geographical feature.)
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