There are at least three bands using the name Trenches:

1) Led by former Haste the Day vocalist, Jimmy Ryan, Trenches is an ambient hardcore band hailing from Nashville, Tennessee, and also Indianapolis, Indiana. The style of music they play is relaxing while energizing. The new album "The Tide Will Swallow Us Whole" was released in stores on September, 16th 2008.

Band Members Are:
Jimmy Ryan- Vocals
Joel Lauver- Vocals/Guitar
Phil Hook- Drums
Bill Scott- Bass
Eli Larch Chastain - Guitars

2) Trenches is also a doom/sludge/post-metal band from Galway, Ireland.
Bandcamp

3) Trenches is a hardcore band from Oakland, California.

Website: http://trencheshxc.bandcamp.com
Boo Boo - Vocals
Juliana - Guitar
Laura - Bass
Ryan - Drums Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.