A History of Pensacola Dam “World’s Longest Multiple Arch Dam” By Rusty Fleming, Former Publisher, The Chronicle of Grand Lake In over 60 years, our beautiful Grand Lake O’ the Cherokees has never looked better. The rapidly expanding shoreline development, yacht clubs, marinas, luxury resorts and golf courses were but a gleam in the eye of visionaries back in the 1930’s when the idea for construction of Pensacola Dam first appeared. Today, Grand Lake is Oklahoma’s  number one tourist attraction, enticing visitors and residents alike to the pleasures of boating, sailing, fishing, skiing, swimming and scuba diving. The first hydroelectric system in Oklahoma, Pensacola Dam also provides flood control for the Grand River. Pensacola Dam generates power for the Grand