Gastineau Peak, Mountain summit in Juneau, United States.

Gastineau Peak is a mountain summit in the Coast Mountains that rises to 3,465 feet above Juneau. From the top, visitors can see across the surrounding peaks and water channels of Southeast Alaska's coastal landscape.

The name Gastineau Peak was already in use when USGS official D. C. Witherspoon noted it in 1916, and it was first published in 1918. The peak was entered into the USGS Geographic Names Information System on March 31, 1981.

The name Gastineau Peak was already in local use when USGS official D. C. Witherspoon recorded it in 1916; it was first published in 1918 and entered into the Geographic Names Information System on March 31, 1981. The peak stands 1.6 miles west of Sheep Mountain and 2.4 miles southeast of Juneau.

Gastineau Peak lies 1.6 miles west of Sheep Mountain and 2.4 miles southeast of Juneau, in the Boundary Ranges of the Coast Mountains. The sources give no trailhead, route or timing details, so plan access from Juneau and confirm conditions locally before setting out.

The name was already in use when USGS official D. C. Witherspoon noted it in 1916, and it was first published in 1918. It entered the Geographic Names Information System on March 31, 1981.