# base tunnel

> type of tunnel that is built through the base of a mountain pass

**Wikidata**: [Q3174082](https://www.wikidata.org/wiki/Q3174082)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Base_tunnel)  
**Source**: https://4ort.xyz/entity/base-tunnel


## References

1. Freebase Data Dumps. 2013