Fort Stevens State Park occupies a strategic promontory at the mouth of the Columbia River in northwestern Oregon, a location of significant military importance throughout American history due to its control of river access and coastal defense infrastructure. The fort was initially established during the Civil War period to protect Union interests and maintain control of military and shipping infrastructure in the region. The installation was named in honor of Isaac Ingalls Stevens, a Union general whose military service and sacrifice were commemorated through this naming. Throughout the late nineteenth century and twentieth century, Fort Stevens evolved with military technology and strategic doctrine, with successive battery installations and defensive structures modified to reflect advancing capabilities. The fort continued military operations through World War II and remained in active use into the Cold War era, serving various military administrative and defense functions throughout its extended operational history. The human history of Fort Stevens encompasses multiple incidents of violence and tragedy accumulated across more than a century of military occupation. One particularly significant incident involved August Stallberger, who was beaten to death in 1868, apparently during a conflict with military personnel or civilian visitors. The circumstances of Stallberger's death reflect the rough and sometimes brutal culture of frontier military life, where violent resolution of disputes occasionally occurred with limited official consequence. Fort Stevens also accumulated casualties during its World War II operational period when it served as an active defense against potential Japanese naval incursion along the Pacific Northwest coast. The threat of enemy action created an environment of military alert and defensive readiness that persisted throughout the war period, and soldiers confronted psychological stress and the possibility of combat throughout their service. Paranormal activity at Fort Stevens has been documented across multiple decades of investigation and eyewitness testimony, with phenomena concentrating particularly around Battery Russell and Battery Clark, the major defensive installations within the fortification complex. Shadowy humanoid figures have been reported moving through bunkers, tunnels, and outdoor areas, described as dark forms navigating interior spaces and grounds with apparent familiarity. Footsteps have been documented reverberating through tunnel systems and bunker networks, auditory phenomena suggesting human presence in spaces that should be vacant. Distant voices emanate from empty bunker chambers and underground fortification spaces, disembodied speech that appears to originate from no discernible source. The smell of gunfire and explosive powder has been reported by visitors, a sensory phenomenon suggesting paranormal reenactment of historical military combat. Among the most distinctive paranormal phenomena are apparitions of a WWII-era soldier described as a young man wearing military battle gear, reportedly searching the fortification complex with a flashlight and displaying concern regarding enemy soldiers. This apparition appears to be reenacting military duties from the WWII era, unaware of the decades that have passed since the conflict's conclusion. Battery Russell has emerged as a particular paranormal hotspot, with intensive documentation of strange lights, disembodied voices, and apparitional phenomena suggesting concentrated spiritual presence. Additional phenomena include floating shadowy figures at Battery Clark, giggling and laughter attributed to children or young voices in empty spaces, and unseen presences creating emotional distress. The location gained national recognition following investigation by the Ghost Adventures television series. Paranormal investigation teams continue research at Fort Stevens, with the location remaining an active paranormal investigation destination attracting researchers interested in military history haunting phenomena.