Ayvaini Cave (Karst Underworld)
The 6th longest cave in Turkey, extending 5.5 kilometers between Nilüfer and Mustafakemalpaşa. A karst natural wonder with an active underground river, nearly 60 lakes, and breathtaking stalactites.
Ayvaini Cave (Karst Underworld)
Ayvaini Cave (Karst Underworld) 360° Virtual Tour & Earth 3D Station
Satellite 3D telemetry, terrain topography, and 360° street panoramas are fully calibrated. Fly in 3D orbit or tour inside step by step.
Insider Tip
"Full traverse requires professional caving gear; the scenic entrance area and surrounding canyon are open to leisure visitors."
Frequently Asked Questions (FAQ)
Is Ayvaini Cave fully open to tourists?
The entrance section can be explored safely, but crossing the complete 5.5 km wet cave requires specialized caving equipment and guides.
Visitor Information
Explore Nilüfer & Surroundings
Gastronomy, district guides, and latest regional highlights in Nilüfer.
Nilüfer Travel Guide: Modern Living, Art, Gastronomy & Gölyazı Island
Discover the cosmopolitan energy of Nilüfer: FSM Boulevard dining, historic Misi art village, and picturesque Gölyazı on Lake Uluabat.
Registered Gastronomy in Nilüfer
Registered Hasanağa Artichokes
Hasanağa Artichoke Festival (May), Aegean & Bursa home-food restaurants
Gölyazı Pan-Fried Lake Pike
Gölyazı lakefront seafood eateries and harbor taverns
Authentic Bursa Iskender Kebab
Kebapçı İskender (Historic Blue Shop, Heykel), Kebapçı Hüseyin (Alacahırka), Kebapçı İsmail (Kayhan)
Bursa Meatballs on Flatbread (Pideli Köfte)
Historic Kayhan Bazaar (Hacı Bey, Köfteci Yeşil, İdris)
Visitor Information
Nearby Attractions
Tombs of Osman Gazi and Orhan Gazi
Resting side by side in Tophane Park, these tombs house Osman Gazi, founder of the Ottoman Empire, and his son Orhan Gazi, conqueror of Bursa. Featuring the Clock Tower, ancient ramparts, and hourly ceremonial Alp Honor Guard changes, it is Bursa's foremost historical shrine.
Gököz Lake and Nature Park (Gököz Natural Park)
Nestled on the southern foothills of Mount Uludağ at an elevation of 1,120 meters, Gököz Natural Park reflects pine forests and snowy summits in its pristine lake. Offering timber chalets, horse safaris, lake canoeing, angling, and farm-to-table mountain gastronomy, it is Bursa's premier four-season eco-retreat.
Murad I (Hudavendigar) Mosque and Complex
Built between 1365 and 1385 by Sultan Murad I, this is the only Ottoman imperial mosque featuring an integrated two-story madrasa above the prayer hall. Overlooking Çekirge, it houses thermal fountains and the tomb of the martyred sultan of Kosovo.