Lost River Caverns

Open all year. Enjoy a guided walking tour of nature’s underground wonderland at Lost River Caverns. See beautiful crystal formations, stalactites, stalagmites, flowstone, the Crystal Chapel and the mysterious Lost River. This limestone cave, first discovered in 1883, is at least 250,000 years old, and is locally owned and operated in Hellertown by the third generation of the Gilman Family. Visit the Gilman Museum and Gift Shop, featuring rocks, geodes, fossils, crystals, beads and jewelry findings. Your complete supply house for lapidary equipment, jewelry making tools, beading and jewelry supplies and metal detectors. The Picnic Grove is available for cave visitors.

Located just south of Bethlehem, minutes south on Rt. 412 from exit 67 of I-78, within easy driving distance of other Pennsylvania tourist attractions located in Bethlehem, Easton and Allentown. Group tours available by reservation – open every day (except holidays listed below). Hours: Memorial Day to Labor Day (Monday – Friday – 9 a.m. – 4:30 p.m. (except holidays listed below); Saturday & Sunday – 9 a.m.- 11 a.m. (except holidays listed below) and Labor Day to Memorial Day (Monday – Friday – 9 a.m. – 4:30 p.m. (except holidays listed below); Saturday & Sunday – 9 a.m. – 11 a.m. (except holidays listed below). Guided walking tours throughout the year, rain or shine. Holidays closed: January 1, Thanksgiving and Christmas.

payment policyOther offers and discounts not valid with group tour rates
comp. policyOne adult complimentary per 20 paid admissions
deposit policyNone
# of people needed for group discount15
group discount$6.50 Adults; $4.50 Children 3 - 12 years


  • Greater New Jersey Motorcoach Association
  • OMCA
  • American Bus Association
  • National Tour Association
  • New England Bus Association
  • Bus Association of New York
  • new-PA-Bus-Logo
  • Maryland Motorcoach Association
  • Skal International USA
  • Virginia Motorcoach Association
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