This cache is placed just outside the San Francisco landmark Coit Tower.
You will need to wander the parking lot and approach to the tower to get the information needed to find the final. A detailed hint will be available in the certitude checker to help make the find. The final is a short walk away but the path there and roads can be steep so plan ahead.
Coit Tower is a 210-foot tower in the Telegraph Hill neighborhood of San Francisco, California, offering panoramic views over the city and the bay. The tower, in the city's Pioneer Park, was built between 1932 and 1933 using Lillie Hitchcock Coit's bequest to beautify the city of San Francisco. It was added to the National Register of Historic Places on January 29, 2008. The location was used in the 1850's as a location for manually signaling the city about incoming sea vessels.
Coit Tower was paid for with money left by Lillie Hitchcock Coit, a wealthy socialite who loved to chase fires in the early days of the city's history. Before December 1866, there was no city fire department, and fires in the city, which broke out regularly in the wooden buildings, were extinguished by several volunteer fire companies. Lillie Coit was one of the more eccentric characters in the history of North Beach and Telegraph Hill, smoking cigars and wearing trousers long before it was socially acceptable for women to do so. She was an avid gambler and often dressed like a man in order to gamble in the males-only establishments that dotted North Beach.
Be sure to check out the amazing murals that circle the interior lobby (and local Virtual cache regarding them) even if the location is locked on your arrival.
To Find the Final Location: Gather the requested pieces of information below and submit the string of digits into the Certitude as linked below. You can find the information on the various plaques in the parking lot and along the path up to the entrance to the monument. Good hunting.
A = year Columbus came to live at Coit Tower
B = # of years manual signaling of incoming ships was performed on this peak
C = anniversary number the plaque near the front door was replaced
D = number of vertical poles (count carefully) along the handrails from the parking lot up to the front door of the monument
Enter the following into Certitude: (A * B) - (C * D)
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You can validate your puzzle solution with certitude.