Autumn War
- Date
- Formerly an end of season war. Was usually held after September Crown.
- Since 2008, typically held in mid-August.
- Branch
- Blatha an Oir (Tacoma-Pierce County, WA)
- Site
- In the past, most often held at Riverglen Campground in Orting, WA.
- AW 2003 was held at the Northwest Equestrian Center, Tenino, WA, due to the attendance outgrowing the Orting site. The Orting site improved, and it returned there for the next two years.
- AW 2006 was held at Dragons Sphere Recreation Park, September 15th-18th, 2006. Several AW where held there. In 2007 Autumn War was held as a ten day event in conjunction with September Crown at the 2006 site near Randal WA. This site was used through 2010.
- Since 2011, the event has been held at Nix Farm in Chehalis, WA
- Annual Event
- Autumn War XXXVI/2001
- Autumn War XXXVII/2002
- Autumn War XXXVIII/2003
- Autumn War XXXIX/2004
- Autumn War XL/2005
- Autumn War XLI/2006
- Autumn War XLII/2007
- Autumn War XLIII/2008
- Autumn War XLIV/2009
- Autumn War XLV/2010
- Autumn War XLVI/2011
- Autumn War XLVII/2012
- Autumn War XLVIII/2013
- Autumn War XLIX/2014
- Autumn War L/2015