They are considered part of the Willapa Hills physiographic province.

[3][4] The highest point in the Doty Hills, an unnamed 2,487-foot (758 m) summit, appears in the list of Washington State's top 200 peaks by topographic prominence.

[6] Augite crystals can be found in the hills amongst porphyry tuff.

[8] Forestry is practiced on conifer tree farms in the unpopulated hills, which receive over 80 inches (2,000 mm) annual precipitation,[9] and possess a cool, cloudy climate.

[11][9] In November 2013, the developer put the project on hold due to insufficient demand for renewable energy.