Map Legend (map on reverse)
Trailheads
hiking, mountain biking
hiking, horseback riding, mountain biking
Trailsmaintained
unmaintained
forest maintenance road
regional
other
approximate distance in miles between trail junctions
Facilities
restrooms
parking area
Park-and-Ride lot
bus stop
Publicly owned land
King County: Grand Ridge Park
other King County park land
other park or open space
Other basemap features
incorporated city
unincorporated King County
wetland
freeway
arterial street
local street
bridge
power line
water tank
elevation contour (interval = 50 ft.)
0.24
Map created by the King County Parks and Recreation Division and the King County GIS Center: www.kingcounty.gov/gis.
Printed on recycled paper.
©2009, 2020 King County, Washington.The information included on this map has been compiled by King County staff from a variety of sources and is subject to change without notice. King County makes no representations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information. This document is not intended for use as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including, but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information on this map is prohibited except by written permission of King County.
April 2020
Grand Ridge ParkA special feature of Grand Ridge are the groves of western red cedar trees—some over �ve feet in diameter. A seven-mile shared-use trail built by Washington Trails Association volunteers runs north and south through the park ending at the Duthie Hill mountain bike park. Grand Ridge is home to a diversity of wildlife—owls, bears and cougars.
Area1,300 acres
Total trail length12 miles
Trail usesHiking, horseback riding, mountain biking. Steep climbs in the north and south with moderate rolling terrain on the ridgetops.
AccessEast Fork TrailheadFrom I-90 east—Take Exit 20, turn left at the bottom of the ramp. Pass underneath I-90 and park in the gravel lot to the west. Hike or bike west on the Issaquah–Pres-ton rail trail to the trailhead.
Duthie Hill Park parking lotFrom I-90 east—Take Exit 18, East Sunset Way and Highlands Drive. Stay left on Highlands Drive and follow for 2.1 miles. Turn right onto Issaquah-Fall City Road and follow for 2 miles. At Endeavor Elementary School, take a right onto Issaquah-Fall City Road. The parking lot will be located on your left and accommodates 74 vehicles.
Grand Ridge trails can also be reached from the Central Park and South Pond trailheads in the Issaquah Highlands.
Grand Ridge Park is served by the Issaquah Highlands Park and Ride, Issaquah Transit Center and Metro bus route 208 at High Point on Interstate 90.
This information is availablein alternative formats upon request.Please call 206-477-4527or 1-800-325-6165.Washington Relay Service: 1-800-833-6388.
For information about King County Parks,please call 206-477-4527.
Visit King County Parks on the Internet at www.kingcounty.gov/parks.
Grand Ridge Park is 1,300 acres of pristine forest rising 1,100 feet in elevation above Issaquah and Lake Sammamish. Established to provide natural resource preservation and passive recreation along the edge of urban and rural living, the park is located between Mitchell Hill Forest to the east and the Issaquah Highlands residential development to the west. The steep slope above the North Fork of Issaquah Creek is covered by stands of large second growth Douglas fir trees.
Want the map on your phone? Text KING GRAND to 468311*Message & Data Rates May Apply
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GrandRidge Park
Issaquah
SammamishSammamish
§̈¦90§̈¦90
Mitchell Hill
Connector Forest
Tradition PlateauNatural Resources Conservation Area
West Tiger Mountain
NRCA
Central Park
Issaquah - Preston Trail
Duthie Hill ParkKlahanie
Issaquah Highlands
Canyon Cre ek
SE Issa
quah-Fall City Rd
SEOld
Black Nug
get Rd
Highlands Dr NE
NE High St
NE Park Dr
24th
Ave
NE
30t h
Ave
NE
NE Harrison
St
NE Harrison Dr
NE
Da
phin
eSt
NE Park Dr
9th
Ave
NE
SE 63rd St
280thD
r SE
SE Hig
hPo
intWay
Grand
R idg e Dr
Central ParkTrailhead Grand Ridge Drive
Trailhead
Coal MineTrailhead East Fork
Trailhead
South PondTrailhead
High Point
Exit 18Exit 20
Exit 20
Yellow Lake
East Pl ate
auTr
a il
EastPlateau Trail
North Fork Issa
quah Creek
North F ork Issaqua h Creek
East Fork Issaquah Creek
2.70
0.41
0.24
0.35
0.25
0.73
0.49
0.38
0.48
Klahanie
Dr SE
North ForkIs saquahCreek
0.23
Coal M
i n e Loop Eas t Fork Trail
Len's Trail
Canyon Creek Headwaters Natural Area
0.48
Len's Tr a
i l
SE Issaquah-Fall City Rd
Len's
Trail
Sam Dog Creek
Trail
Flow
ing
Fir L
oop
Flowing
Fir Loop
1.74
0.58
0.14
East
For
k Tr
ail
0.26
East Fork Issaquah Creek
0.21
0.21
0.12
GrandViewPark
Coal M i ne Loop
0.24
0.41
0.62
CoasterTrail
Spr u ce
Flow
ing
FirLoop
WTA Log Bridge
SouthLog Bridge
NorthLog Bridge
MikeO Puncheon Bridge
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Contour interval: 50 feet
0 500 4000
0 0.1 0.8
April 2020
§̈¦90
§̈¦5
§̈¦5
§̈¦405
UV18
UV520
UV167
UV2
MilesFeet