Home›1937 establishments in Arizona›Organ Pipe Cactus National Monument🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaفارسی中文日本語EntityQ1276829· pop 13· linked from 304 articlesOrgan Pipe Cactus National MonumentAlso known as ORPIUnited States National Monument In ArizonaWikidata factsElevation1755Official websitewww.nps.gov/orpi/index.htmImageOrgan Pipe & antler.jpgShow 5 more factsCommons categoryOrgan Pipe Cactus National Monumentvisitors per year191512Commons galleryOrgan Pipe Cactus National MonumentUNESCO Biosphere Reserve URLwww.unesco.org/mabdb/br/brdir/directory/biores.asp?code=USA+18&mode=allinception1937-04-13Sources (8)wikidata.orgOn the mapAvailable in 11 languagesEspañolFrançaisDeutschItalianoCatalanCebuanoNederlandsPolskiSvenskaفارسیConnectionsNational Park ServiceEntityVerde RiverEntityCategories1937 establishments in ArizonaIUCN Category VMexico–United States borderNational Park Service national monuments in ArizonaOrgan Pipe Cactus National MonumentParks in ArizonaProtected areas established in 1937Protected areas of Pima County, ArizonaProtected areas of the Sonoran Desert