Lake Serene Hill, Washington

Prominence: 320 ft, 97 m

Elevation: 640+ feet, 195+ meters

True Isolation: 10.45 mi, 16.82 km
Elevation Info:Elevation range: 640 - 645 ft
    (5-foot closed contour)
NAVD88 Elevation: 644 ft / 196 m
    (Range 644 - 649 ft)
Peak TypeUnofficially Named Peak
Latitude/Longitude (WGS84)47° 51' 44'' N, 122° 17' 5'' W
47.862167, -122.284751 (Dec Deg)
553496 E 5301228 N, Zone 10 (UTM)
CountryUnited States
County/Second Level RegionSnohomish
City/TownNorth Lynnwood

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Ascent Info

Total successful ascents logged by registered users: 49
     Show all viewable ascents/attempts (Total: 47)

Selected Trip Reports:
     2015-01-27 by Marion Bauman
     2020-02-17 by Fred Beavon
     2021-12-17 by Greg Slayden

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Lake Serene Hill
     Elevation Ladder from Lake Serene Hill
     Prominence Ladder from Lake Serene Hill

This flat plateau top is the highest point in the area south and west of the Snohomish River, and north of the Seattle Ship Canal, Lake Washington, and the Sammamish River. "Lake Serene Hill" has a line parent of Union Hill, east of Redmond, and it has just over 300 feet of prominence, giving it the status of a "real peak" by most standards.

The high ground is a somewhat bleak area of auto-repair and body shops, dominated by the busy 7 lanes of Highway 99. See the attached aerial photo, showing the 640-foot contour. The highest area on the west side of the highway does appear to be in the busy and crowded parking lot of Speedway Automotive. The northwest lobe of the contour, in a forest area full of trash, seemed lower. One could, in theory, claim the peak by driving the road, but it is usually proper to at least get one's feet on the ground somewhere.

However, the most attractive candidate spot might be on the east side of the highway, in the grassy area on the grounds of the water tower complex. Access to this point is from 35th Avenue West, where a driveway goes through a gate into the water tower area. This gate appears to be open during business hours on weekdays. A sign asks visitors to check in, but one could wander in and quickly hike up the obvious grassy berm north of the office building (the eastern projection of the 640-foot contour). From the top of that, one appears to be higher than the highway and perhaps the auto shops, too.
Click on photo for original larger-size version.
Blue line shows the 640-foot contour on Lake Serene Hill, with 7 lanes of Highway 99 bisecting the area. Map from the Snohomish County GIS viewer, with 5-foot contours (2021-12-17).
Click here for larger-size photo.
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 320 ft/97 m
  Optimistic Prominence: 330 ft/99 m
  Key Col: 320 ft/98 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 10.45 mi/16.82 km
   Isolation Limit Point: 47.8567, -122.0608
Nearest Higher Neighbor in the PBC database:
    Devils Butte-East Peak  (E)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Seattle-Everett Area
Drainage Basins
Puget Sound
Strait of Juan de Fuca
Pacific Ocean

Lake Washington
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
Topo MapEdmonds East O47122g3 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map
Dynamic Map

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