2017    Saratoga, CA: Walden West Outdoor Science School

2016    North Bend, WA: Highline Public Schools - Waskowitz Outdoor Education Center

2015    Bailey, CO: Jefferson County - Windy Peak Outdoor Lab School

2014    Portland, OR: Multnomah ESD & NW Regional ESD

2013    Calgary, Alberta, CANADA: Camp Kiwanis

2012   Potosi, MI: YMCA Of the OzarksParkway School District

2011   North Bend, WA: Waskowitz Outdoor Education Center

2010   Lake Tahoe, NV: Sierra Nevada Journeys

2009    Evergreen, CO: Jefferson County - Mount Evans Outdoor Lab School

2008    Portland, OR: Multnomah ESD & NW Regional ESD

2007    Potosi, MI: YMCA Of the Ozarks, Parkway School District

2006    Vashon Island, WA: Camp Sealth & Waskowitz Outdoor Education Center

2005    Calgary, Alberta, CANADA: Camp Kiwanis

2004    Evergreen, CO: Jefferson County - Mount Evans Outdoor Lab School

2003    San Diego, CA: Cuyamaca Outdoor School

2002    North Bend, WA: Waskowitz Outdoor Education Center

2001    Salem, OR: Multnomah Education Service District

2000    Potosi, MI: Parkway School District

1999    Bailey, CO: Jefferson County - Windy Peak Outdoor Lab School

1998    Brackendale, British Columbia, CANADA: North Vancouver Outdoor School

1997    Santa Cruz, CA: Santa Cruz County Outdoor Science School

1996    North Bend, WA: Waskowitz Outdoor Education School

1995    Evergreen, CO: Jefferson County Mount Evans Outdoor Lab School

1994    Calgary, Alberta, CA: Calgary Outdoor Education Centre

1993    Portland, OR: Washington/Multnomah County Outdoor Schools

1992    Petaluma, CA: Walker Creek Ranch Science and Conservation School

1991    Campbell River, British Columbia, CANADA: Strathcona Outdoor Education Center

1990    Bailey, CO: Jefferson County - Windy Peak Outdoor Lab School

1989    Sonora, CA: California Outdoor School Administrators

1988    Molalla, OR: Washington/Multnomah County Outdoor Schools

1987    Squamish, British Columbia, CA: North Vancouver Outdoor School

1986    Seattle, WA: Highline School District Outdoor School

1985    Sausalito, CA: Headlands Institute (now Naturebridge)

1984    Evergreen, CO: Jefferson County - Outdoor Education Laboratory School

1983    Corbett, OR: Washington/Multnomah County Outdoor Schools