# tunnel valley

> U-shaped valley originally cut by water under the glacial ice near the margin of continental ice sheets

**Wikidata**: [Q611796](https://www.wikidata.org/wiki/Q611796)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tunnel_valley)  
**Source**: https://4ort.xyz/entity/tunnel-valley


## References

1. Freebase Data Dumps. 2013
2. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)