The 34’ granite shaft stands at the entrance to the Washington Park in Portland.  On each side is the seal of four states, Oregon, Washington, Idaho, Montana.  The monument was started in 1903 and dedicated in 1908.
The inscription at the base of the shaft reads: “Erected by the citizens of Orgon to commerate the achievements of Captains Meriwether Lewis and William Clark who with the encouragemnt and direction of the President of the United States Thomas Jefferson, started from St Louis May 14, 1804 and through many hardships penetrated the vast continental wilderness to the Pacific Ocean at the mouth of the Columbia River and returning September 1806 gave to the pioneer a pathway and to the nation the Oregon country.”  Started 1903. Dedicated 1908.