Where Does The Water Go?
Posted by: Groundspeak Premium Member Volcanoguy
N 44° 00.835 W 121° 44.299
10T E 601130 N 4874192
A geologic history sign about Sparks Lake.
Waymark Code: WMN6WJ
Location: Oregon, United States
Date Posted: 01/06/2015
Published By:Groundspeak Regular Member ddtfamily
Views: 4

Sign is located at the Sparks Lake boat ramp.

Marker Name: Where Does The Water Go?
Marker Text: When Mt. Bachelor erupted 10,000 years ago, a natural rock dam formed and began to capture snowmelt and rainwater. This formed Sparks Lake which has no visible surface outlet. Instead, water leaks out through fractures and cracks in the lava rock.

Listen carefully along the shoreline and you will hear gurgling and sucking sounds — the lake is literally draining away. Water disappears into the rocks and flows through layers of gravels and old lavas until it encounters an impermeable layer of rocks which forces the groundwater to surface as a spring.

This water goes to places like Snow Creek, Quinn Creek, and Little Lava Lake, the headwaters for the Deschutes River. Sparks Lake has a secret: It’s the unofficial source of the Deschutes River.

Historic Topic: Geological

Group Responsible for placement: Forest Service

Marker Type: Roadside

Region: Central Oregon

County: Deschutes

State of Oregon Historical Marker "Beaver Board": Not listed

Web link to additional information: Not listed

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Volcanoguy visited Where Does The Water Go? 11/08/2014 Volcanoguy visited it