Hamma Hamma Balds Natural Area Preserve

Hamma Hamma Balds
Location of Hamma Hamma Balds Natural Area Preserve in Washington
LocationSouthwest Washington, Washington, United States
Coordinates47°35′06″N 123°04′30″W / 47.585°N 123.075°W / 47.585; -123.075
Area957 acres (387 ha)
Established2008 fiscal year
Governing bodyWashington Department of Natural Resources
Websitednr.wa.gov

Hamma Hamma Balds is a Washington state Natural Area Preserve. It is located in the eastern foothills of the Olympic Mountains in Mason County, above the Hamma Hamma River and adjacent to Olympic National Forest. The term "balds" refers to rocky outcroppings in the heavy forest. The preserve totals 957 acres (387 ha).

The preserve was created in the 2008 fiscal year through intra-agency land exchanges between various trusts.