Humbug Mountain, Mountain summit in Curry County, Oregon, United States.

Humbug Mountain is a headland rising 1,756 feet (535 m) straight from the Pacific Ocean about 6 miles south of Port Orford, one of Oregon's highest mountains to meet the sea directly. Its slopes carry old-growth temperate rainforest of tanoak, Douglas fir, big-leaf maple, Port Orford cedar and Oregon myrtle, and granite and sandstone outcrops lie near the summit.

The Tututni called it Me-tus, and settlers first named it Sugarloaf Mountain. In 1851 an exploring party sent by Captain William V. Tichenor, founder of Port Orford, headed north instead of south and got lost; the name Tichenor's Humbug was chosen, he said, "to palliate their gross failure." It was later shortened to Humbug Mountain and also called Mount Franklin.

The name comes from an 1851 exploring party sent by Captain William V. Tichenor, founder of Port Orford, that headed north instead of south and got lost; Tichenor said the name was chosen "to palliate their gross failure." The Tututni knew the mountain as Me-tus, and it was also called Sugarloaf Mountain and Mount Franklin.

Visitors can access the summit via a 5.5-mile trail system within Humbug Mountain State Park, which offers over 100 campsites, restrooms, showers, and picnic areas accessible from Highway 101.

Humbug Mountain's summit holds outcrops of granite and sandstone carried up from the collision of the Klamath microcontinent with North America. The first summit trail was cut by the Civilian Conservation Corps in 1934, destroyed in the 1962 Columbus Day Storm, and reopened in 1993. The mountain has also appeared on maps as Mount Franklin.