| Lacamas Prairie Natural Area | |
|---|---|
 Camassia quamash blooming at Lacamas Prairie in 2025 | |
   | |
| Coordinates | 45°38′33″N122°27′31″W / 45.6425°N 122.4586°W /45.6425; -122.4586 |
| Area | 211 acres (85 ha) |
| Established | 2007 |
| Owner | Washington Department of Natural Resources |
| Website | https://dnr.wa.gov/natural-areas/natural-area-preserves/lacamas-prairie-natural-area |
Lacamas Prairie Natural Area is aWashington Natural Area inClark County, Washington. It encompasses the 211 combined acres ofLacamas Prairie Natural Area Preserve andLacamas Prairie Natural Resources Conservation Area.[1]
The natural area serves to protect theWillamette Valley wet prairie ecosystem, as well as theOregon white oak andOregon ash forests surrounding the prairie.[1]
Lacamas Prairie Natural Resources Conservation Area/Natural Area was first established in 2007 following land acquisition byWashington Department of Natural Resources (DNR), who continues to administer the combined units.[2] DNR aims to conserve the total 1,622 acres of prairie in the area. In addition to the DNR owned lands, 244 acres are owned and protected by Clark County, and an additional 14 are owned byColumbia Land Trust. The remaining land is privately owned. Between 2019 and 2021, DNR was granted $6.3 million by the state of Washington for the purposes of land acquisition and stewardship for Lacamas Prairie.[3]
DNR periodically performsprescribed burns to maintain the prairie ecosystem and reduce populations ofinvasive species.[4]
The prairie is home to one of the largest known populations of the endangeredBradshaw's lomatium.[1] It is the location of one of only five known populations oftall western penstemon, and represents the sole population in Washington.[5] Other sensitive species of the prairie includeOregon coyote-thistle,Hall's aster,dense sedge,Nuttall's quillwort, andsmall-flowered trillium.[1]
