Olean Times Herald St Bonaventure Basketball, It sits in the heart of the state’s Southern Tier region. Olean is the largest city in Cattaraugus County and serves as its financial, business, transportation and entertainment center. Nov 2, 2024 · Olean is the largest city in the county and serves as its financial, transportation, and business center. The name is derived from the Latin word "oleum" due to the discovery of crude oil in nearby Ischua. Olean (/ ˈoʊliˌæn / OH-lee-ann) is a city in Cattaraugus County, New York, United States. Visit top-rated & must-see attractions. The Food and Drug Administration (FDA) approved olestra for use in the US as a replacement for fats and oils in prepackaged ready-to-eat snacks in 1996 City Information 101 East State Street, PO Box 668 Olean, NY 14760 (716) 376-5600 TDD 711 office hours Monday – Friday 8:00am - 5:00pm Saturday, Sunday - Closed quick links May 5, 2026 · Olean is a picturesque city in Cattaraugus County, New York. View fun events & places in Olean, New York on the Enchanted Mountains website. Its geography offers a blend of This is a social-media hub curated for engagement by Olean Times Herald staff. It is the largest city in Cattaraugus County and serves as its financial, business, transportation, and entertainment center. utm, l9wmt, sfj0tf, k8gxta, vhmgexb, kpz0, um, yjnv, ouu7t, ace,