Look up transmountain or trans-mountain in Wiktionary, the free dictionary.
Trans-Mountain or variation, may refer to:
- Trans Mountain pipeline (TM & TMX; "Trans-Mountain"), a petroleum pipeline in British Columbia, Canada
- Trans Mountain Corporation, the crown corporation operating company for the Trans Mountain pipeline
- Transmountain Early College High School, El Paso, Texas, USA
- TransMountain Road, El Paso, Texas, USA; see Culture of El Paso