Here's a great video on driving directions to Thunder Swamp! 

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For driving directions from Google Maps, click here.

Driving Directions...

From Western Washington via I-90:
Take WA-970 N exit (Exit 85) toward WA-903N/Wenatchee
Turn left on WA-970
Turn right to stay on WA-970
WA-970 becomes WA-970 E
WA-970 E becomes US-97
Merge onto US-2 E / WA-97 N toward Wenatchee
Merge onto US-2 E / US-97 N toward Okanogan/Spokane
Turn right onto WA-28/Sunset Highway
Turn slight right onto WA-28 E
Turn left onto Grant Road
Turn left onto Urban Industrial Way
Follow signs

From Western Washington via US-2 E:
Merge onto US-2 E / US-97 N toward Okanogan/Spokane
Turn right on WA-28/Sunset Highway
Turn slight right onto WA-28 E
Turn left onto Grant Road
Turn left onto Urban Industrial Way
Follow signs

From I-90 East of George:
Take Exit 151toward WA-281 N/Quincy/Wenatchee
Turn right onto WA-281 spur
Turn right onto WA-281N/WA-281
Continue to follow WA-281
Turn left onto F Street SW/WA-28
Continue to follow WA-28
Turn right onto Batterman Road
Batterman Road becomes 4^th Street SE
4^th Street SE become S. VanWell Avenue
S. VanWell Avenue becomes Grant Road
Turn right onto Urban Industrial Way
Follow signs

From Yakima:
Take I-82 W/US-97 N toward Selah/Ellensburg
Merge onto I-90 E toward Vantage/Spokane
Take the WA-281N exit (Exit 149) toward Quincy/Wenatchee
Turn left onto WA-281/WA-281N
Continue to follow WA-281
Turn left onto F Street SW/WA-28
Continue to follow WA-28
Turn right onto Batterman Road
Batterman Road becomes 4^th Street SE
4^th Street SE become S. VanWell Avenue
S. VanWell Avenue becomes Grant Road
Turn right onto Urban Industrial Way
Follow signs

From Canadian Border via US-97:
Stay straight to go onto US-97/US-2
Stay straight to go onto WA-281/Sunset Highway
Turn slight right onto WA-28 E
Turn left on Grant Road
Turn left onto Urban Industrial Way
Follow signs