Planinarsko društvo „Volujak“ iz Gacka osnovano je sredinom 2004. godine, a registrovano krajem 2005. godine. Okuplja ljubitelje planinarenja, planinskih predjela i speleologije i aktivno učestvuje u lokalnim, regionalnim, međudržavnim i međunarodnim planinarskim akcijama i ekspedicijama. Članovi društva učestvovali su na ekspedicijama na Mon Blan, Olimp, Golemi Korab, Staru planinu i Kajmakčelan, kao i u istraživanju speleoloških objekata na području Gacka, Hercegovine, Crne Gore i Srbije. Društvo je posebno značajno za razvoj planinarske infrastrukture i promociju planinskog turizma na području Gacka. Jedan od njegovih najvažnijih projekata je Planinarski dom „Volujak“ u Papinom dolu, koji predstavlja bazu za planinarske ture i druge aktivnosti u planinskom području između Volujaka, Lebršnika, Kuka i Bioča. Do doma vodi oko osam kilometara makadamskog puta sa prevoja Čemerno, a iz njegovog okruženja polaze planinarske staze prema okolnim planinskim vrhovima i prirodnim atrakcijama. Planinarski dom nalazi se u Papinom dolu, na području između planina Volujak i Lebršnik, u blizini Kuka, Bioča, izvora rijeke Sutjeske i Jagodinog jezera. Dom raspolaže sa 30 ležajeva, raspoređenih u tri sobe, kao i velikom prostorijom sa ognjištem i kuhinjom sa pitkom vodom. Njime upravlja Planinarsko društvo „Volujak“, a smještaj i boravak u domu organizuju se uz prethodnu najavu. Položaj doma čini ga pogodnom polaznom tačkom za istraživanje okolnih planina i planinarskih staza. Iz Papinog dola vode markirane rute prema vrhovima Volujaka, Lebršnika i Bioča, kao i prema Stabanskim jezerima i drugim atraktivnim lokalitetima u širem planinskom području. Poseban značaj domu daje njegova uloga u razvoju aktivnog i planinskog turizma. Kroz projekat Via Dinarica, PD „Volujak“ dobilo je sredstva za unapređenje smještajnih kapaciteta, snabdijevanja električnom energijom i obezbjeđivanja sanitarne tople vode. Danas je Papin Do jedno od važnih polazišta za planinare koji istražuju planinske masive Gacka i šireg područja Hercegovine, dok aktivnosti PD „Volujak“ doprinose promociji planinarenja, speleologije i boravka u prirodi.
The Volujak Mountaineering Club from Gacko was founded in mid-2004 and officially registered in late 2005. The club brings together enthusiasts of mountaineering, mountain landscapes and speleology, actively participating in local, regional, cross-border and international mountaineering activities and expeditions. Its members have taken part in expeditions to Mont Blanc, Mount Olympus, Golem Korab, Stara Planina and Kajmakčalan, as well as in the exploration of caves and other speleological sites in the Gacko region, Herzegovina, Montenegro and Serbia. The club plays an important role in developing mountaineering infrastructure and promoting mountain tourism in the Gacko area. One of its most significant projects is the Volujak Mountain Hut in Papin Do, which serves as a base for hiking excursions and other outdoor activities in the mountainous region between Volujak, Lebršnik, Kuk and Bioč. The hut can be reached via approximately eight kilometres of gravel road from the Čemerno mountain pass. Several hiking trails leading to nearby mountain peaks and natural attractions start in the surrounding area. The mountain hut is situated in Papin Do, between the Volujak and Lebršnik mountains, close to Kuk, Bioč, the source of the Sutjeska River and Jagodino Lake. It offers accommodation for up to 30 guests in three rooms, as well as a spacious common room with a traditional fireplace and a kitchen equipped with drinking water. The hut is managed by the Volujak Mountaineering Club, and accommodation and visits must be arranged in advance. Thanks to its location, the hut is an excellent starting point for exploring the surrounding mountains and hiking trails. Marked routes from Papin Do lead towards the peaks of Volujak, Lebršnik and Bioč, as well as to the Stabna Lakes and other scenic destinations throughout the wider mountain region. The hut is particularly important for the development of adventure and mountain tourism. Through the Via Dinarica project, the Volujak Mountaineering Club received funding to improve its accommodation facilities, electricity supply and access to hot water for sanitary purposes. Today, Papin Do is one of the key starting points for hikers exploring the mountain ranges of Gacko and the wider Herzegovina region. Through its activities, the Volujak Mountaineering Club continues to promote mountaineering, speleology and outdoor recreation, encouraging visitors to discover the remarkable natural beauty of this part of the Dinaric Alps.


