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Clark Days
Saturday and Sunday
July 25-26, 2009

Monument Proclamation Visitor Information  History  Natural History  Interpretive Center  Pompeys Pillar Historical Association  American Indian Significance Location Clark Days Clark Days are held at Pompeys Pillar each year on the last weekend of July.  The event commemorates William Clark's stop at the site on July 25, 1806, on his trip down the Yellowstone River.  Activities include interpretive programs, demonstrations, nature walks, and a main presentation. The Saturday night of Clark Days is the only night of the year when overnight camping is allowed at the Pillar. The Bureau of Land Management has park rangers on duty at the visitor center to assist campers.  Admission fees are waived during Clark Days which is sponsored jointly by the Bureau of Land Management and the Pompeys Pillar Historical Association. Nominal charges are made for food and refreshments.  For more information on Clark Days, click here.