Trillium Lake

Coordinates: 45°16′02″N 121°44′32″W / 45.2673406°N 121.7422998°W / 45.2673406; -121.7422998
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Trillium Lake
Mount Hood seen from the lake
Location of Trillium Lake in Oregon, USA.
Location of Trillium Lake in Oregon, USA.
Trillium Lake
Location of Trillium Lake in Oregon, USA.
Location of Trillium Lake in Oregon, USA.
Trillium Lake
LocationClackamas County, Oregon, United States
Coordinates45°16′02″N 121°44′32″W / 45.2673406°N 121.7422998°W / 45.2673406; -121.7422998 [1]
Typeman made
Primary inflowsnone
Primary outflowsMud Creek
Catchment area1 sq mi (2.6 km2)
Basin countriesUnited States
Max. length3,000 ft (910 m)
Max. width1,400 ft (430 m)
Surface area65 acres (26 ha)
Average depth7 ft (2.1 m)
Max. depth21 ft (6.4 m)
Water volume380 acre⋅ft (470,000 m3)
Surface elevation3,601 ft (1,098 m)

Trillium Lake is a lake situated 7.5 miles (12.1 km) south-southwest of Mount Hood in the U.S. state of Oregon. It is formed by a dam at the headwaters of Mud Creek, tributary to the Salmon River.[4] It was created by the state Department of Fish and Wildlife in 1960.[3]

The area which is now the lake was part of the Barlow Road, a component of the Oregon Trail. A log road across marshes allowed immigrants to pass to Summit Meadow, which was a toll station 1866—1870.[5] Trillium is a genus of flowers particularly noticeable in the area.

The lake is popular for fishing, camping and photography, often clearly reflecting Mount Hood. Adjacent Trillium Lake Campground is administered by the Zigzag Ranger District of the Mount Hood National Forest. The large campground features a seasonal boat ramp and wheelchair-accessible floating dock.[6] The lake is a very popular Nordic skiing destination from a trailhead across U.S. Route 26 from Snow Bunny. Some resources note its popularity on afternoons and weekends.[7] Trillium Lake is circled by the 2 miles (3.2 km) long Trillium Lake Trail.[8]

See also[edit]


  1. ^ "Trillium Lake". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-06-13.
  2. ^ "Trillium Lake". The Fly Fishing Shop, Welches, Oregon. Retrieved 2008-02-26.
  3. ^ a b "Trillium Lake". Find Lakes. Archived from the original on 2011-07-11. Retrieved 2008-08-28.
  4. ^ TopoQuest - Trillium Lake, USGS Mount Hood South (OR) Topo Map
  5. ^ Trillium Lake/Summit Meadow
  6. ^ "Trillium Lake Camp". Online Boating Facility Guide. Oregon State Marine Board. Retrieved 2008-08-28.
  7. ^ "Mount Hood National Forest Cross-country Skiing". aka Orbitz Away LLC. Retrieved 2008-08-28.
  8. ^ "Trillium Lake Trail in Mount Hood National Forest". Retrieved 2020-05-22.