Korean Christian Art Exhibition, (Seoul, Korea)
1985
3rd Busan Biennale, (Busan, Korea)
1988
Nature Art Indoor Exhibition, (Dajeon, Korea)
1989
From Inside to Outside, From Outside to Inside, YATOO aus Korea, (Hamburg, Germany)
1991
Geumgang International Nature Art Exhibition, (Gongju, Korea)
1991
Changwon Biennale, (Changwon, Korea)
1992
Nature, Using the Paper, Exhibition, (Gongju, Korea)
1992
Hier und Da- International Nature Art Exhibition, (Schueberg, near Hamburg, Germany)
1992
REFLEXIONEN, (Pinneberg, Germany)
1992
Pusan Sea Art Festival (Pusan, Korea)
1992
1st youth Art Festival in Seosan (Seosan, Korea)
1991-1993
Front DMZ, Exhibition (Seoul, Korea)
1994
Samukawa Open Air Exhibition,(Samukawa, Japan)
1995
"Wind" Kang, Hee-joon Natureart Art Exhibition, Theme I (Munweui, Korea)
1995
Geumgang International Nature Art Exhibition, (Gongju, Korea)
1996
Baggat Art-Daesungli Exhibition, (Han-River, Korea)
1996
EVENTA- MANKIND, International Art Exhibition, (Uppsala, Sweden)
1998-1999
ART AND VILLAGE, International Nature Art Exhibition, (Gong-Ju, Korea)
1999
Baggat Art-Daesungli Exhibition, (Han-River, Korea)
2000
Baggat Art-Daesungli Exhibition, (Han-River, Korea)
2000
International Nature Art Exhibition at Geumgang, (Gongju, Korea)
2000
Yokohama International Open Air Exhibition, (Yokohama, Japan)
2001
Baggat Art-Daesungli Exhibition, (Han-River, Korea)
2001
Yokohama International Open Air Exhibition, (Yokohama, Japan)
2001
International Nature Art Exhibition at Geumgang, (Gongju, Korea)
2001
The Omori International Environmental Art Exhibition, (Tokyo, Japan)
2002
Yokohama International Open Air Exhibition 2002, (Yokohama, Japan)
2002
The International Fire Sculpture Festival, (Fican, France)
2002
The Exhibition of Geumgang Nature Art Project 2002, Gongju Cultural Center, (Gongju, Korea)
2002
The Environment Art Exhibition, Kwang Hwa Moon Gallery, (Seoul, Korea)
2003
Geumgang Nature Art Pre-Biennale 2003, Sansung Park, (Gongju, Korea)
2003
The Environment Art Exhibition, Gongpyung art Center, (Seoul, Korea)
2004
Geumgang Nature Art Biennale 2004,(Gongju, Korea)
2004
Hiki International Open Air Exhibition, (Hiki-Tokyo, Japan)
2005
Image of Nature, Exhibition of 10 YATOO Members, Gallery in the Blue, (Tokyo, Japan)
2005
Works from Nature, 12 YATOO artists, Gallery Brocken, (Tokyo, Japan)
2005
"Soil & Thorny Trees" Kang, Hee-joon Natureart Art Exhibition, Theme II (Cheongju, Korea), (Solo Exhibition)
2005
Geumgang Nature Art Pre-Biennale 2005 - “Works from nature” “Vision about Nature” (Gongju, Busan, Suwon, Ilsan)
2005
Contemporary art video & Installation Exhibition 2005, (Art and Culture Center in Daegu)
2006
Geumgang Nature Art Biennale 2006, (YeonmiSan Nature Art Park in Gongju, Korea)
2006
Hiki International Open Air Exhibition 2006, (Hiki-Tokyo, Japan)
2007
Kang, Hee-joon Natureart Art Solo Exhibition Ⅲ, (beuroken Gallery in Koganei-si, Tokyo, Japan)
2007
Kang, Hee-joon Natureart Art Solo Exhibition Ⅳ (Gallery Pawoose Shinjuku-si, Tokyo, Japan)
2007
Kang, Hee-joon Nature Art Exhibition Invitation (Musim Gallery, Cheongju, Korea)
2007
Nature Art Exhibition of two artists (Berlin, Germany)
2007
Nature Art Exhibition susiniba 2007 (Moscow)
2007
Geumgang Nature Art Pre-Biennale 2007 (Gongju Museum, Korea)
2008
Nature Art Hall Exhibition in Budapest (Hungary)
2008
Geumgang Nature Art Biennale 2008 (YeonmiSan Nature Art Park in Gongju, Korea)
2009
International Nature Art Exhibition in Rezare 2009 (Romania)
2009
Nature Art Exhibition susiniba 2009 (Moscow)
2009
Nanji Han River Eco Park Exhibition project 2009 (Seoul, Korea)
2009
Geumgang Nature Art Pre-Biennale 2007 (YeonmiSan Nature Art Center, Gongju, Korea)
2010
Kang, Hee-Joon’s『POPPING』Exhibition, Nature Art Theme Ⅵ (Shin Art Center, Cheongju)
2010
Geumgang Nature Art Biennale 2010 (YeonmiSan Nature Art Park in Gongju, Korea)
2011.1.15-22
First world championship in Fire and Ice Sculpture (Tallinn - Estonia)
2011.4.28-6.30
Art exhibition of five senses experience (Seoul, Ansan, Korea)
2011.8
The Exhibition of Invited Artists for Environmental InstallationArt in Back-rak Buddhist Temple (Hong-cheon, Gangwon-Do)
2011.10
Geumgang Nature Art Biennale 2011 (YeonmiSan Nature Art Center, Gongju, Korea)
2011.10
Invited Artists'Exhibition "Overlooking Imjingang from Geumgang" Dorasan Peace Park, Paju, Korea)
2011.11
International Festival of Ice Sculpture “The Polar Rhapsody” (Salekhard, Yamal-Nenets Autonomous District, Russia)
2012.2
Jars Island international Baggat Art Exhibition (Jars Island, Gapyung)
2012.9
Project Daejeon 2012. Outdoor Exhibition (hanbat tree park, Daejeon)
2012.9
The Exhibition of Invited Artists for Environmental Installation Art in Gangwon (Hong-cheon, Gangwon-Do)
2012.9
2012 NAORI SYMPOSIA Ecological Art (Taean Chungnam)
2013.6
International Festival of Sculpture from Sylvinite and Metal (Perm Krai, Russia)
2013.8
The Exhibition of Invited Artists for Environmental Installation Art in Gangwon (Hong-cheon, Gangwon-Do)
2014.8
Geumgang Nature Art Biennale 2014 (Nature Art Park in Gongju, Korea)
1981-2013 YATOO Nature Art Workshops (130 times)
Since 1981 Member of YATOO Korean Nature Art Association
2001~2003 President of YATOO- Korean Nature Art Association
2004~2014 Commissioner of Geumgang Nature Art Biennale
Recently- Teaching- Fine Art, at Ilsin Girl High School since 1985