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Driving Directions and Maps for LIGO Hanford Observatory
Google Maps can find LIGO if you enter LIGO Hanford Observatory, 127124 N Route 10, Richland WA as the target address. Most other direction services, including those used by cell phones, don't recognize LIGO's street address because they can't locate Route 10/Horn Road. Beware that you won't see Google's road names on any signs near LIGO. Use the map above and directions below to confirm the turns that you'll need to make to reach LIGO.
The map above lists "Horn Road" as another name of the road named "Route 10" in LIGO's street address. You might see "Horn Rapids Road" on maps that you generate if you use a computer or cell phone to find LIGO. Beware that "Horn Road" and "Horn Rapids Road" are not the same road!Choose the direction from which you will come to LIGO. Click the PDF link for printer-friendly directions of your route.
- From Eastern and Northeast Washington (Walla Walla, Pullman, Spokane) and most Idaho locations.
- From Eastern Oregon
- From Central Oregon
- From Western Oregon and Southwestern Washington, including the Vancouver area
- From Central and Western Washington (Yakima, Ellensburg, Seattle/Tacoma)
- From Mid-Central Washington (Othello, Moses Lake, points north of Moses Lake, Wenatchee)
- From the Pasco Airport
- From other Pasco locations
- From Richland and Kennewick
- How will I know when I'm there?
Note: Federal regulations prohibit pets, firearms, alcohol or controlled substances on the LIGO site. Thank you.
Stevens Drive to LIGO from the Tri-Cities
|Once you've passed through the PNNL campus north of Richland on George Washington Way, you'll see the sign for Stevens Drive (left photo). Bear to the left as you round a corner. Don't veer to the right towards the Hanford 300-area buildings. Continue ahead and turn right onto Stevens Drive.|
|Now you will drive 10.2 miles, past Hanford facilities, past the FFTF site and past Energy Northwest facilities. At about 10 miles you will see signs pointing left to Route 10 and SR 240. You will turn left onto Route 10 (you'll actually have to turn left twice, once off of Stevens and once off a tiny arm that connects Stevens to 10). If you miss the turn for Route 10 you will soon be at the Hanford security gate. Tell the officer that you're looking for LIGO and he or she will direct you back to route 10. Once on Route 10, drive 1.6 miles and turn right at the LIGO sign.|
|Drive 10(+) miles on Stevens and you'll see these signs. Take the left turn towards 240 onto Route 10. If you miss this turn you'll soon be at the guard station where you'll need to turn and come back to Route 10.|
240 Bypass/Vantage Highway Route to LIGO from the Tri-Cities
|Turn left off the Bypass towards Vantage (you're on the edge of Richland here). After 8 miles on 240 W you'll see the Benton City sign, then the yellow intersection sign. Turn RIGHT onto Horn Road (Route 10).|
From the Pasco Airport
From other Pasco locations
From Richland and Kennewick
From Eastern and Northeast Washington (Walla Walla, Pullman, Spokane, Cheney) and most Idaho locations.
From Eastern Oregon
From Central Oregon
From Western Oregon and the Southwestern Washington, including the Vancouver area
From Central and Western Washington (Yakima, Ellensburg, Seattle/Tacoma)
|From I-82 you'll take exit 96 and turn left, going through Benton City on 225 N. 8 miles past Benton City you'll come to the intersection of 225 & 240 (right photo). Carefully cross and drive straight ahead. You'll travel 5 more miles up Route 10 (Horn Road) to LIGO|
|From the Yakima area you can also get to LIGO by coming through Moxee on SR 24, which joins SR 240 on the west side of the Hanford site. Follow 240 east to a point just past milepost 20 and turn left onto Route 10 at the intersection of 240, SR 225 (right to Benton City) and Route 10. This intersection is on the east side of a rise and you won't see it until you are quite close (see the photos of the intersection in the Wenatchee section below).|
From Mid-Central Washington (Othello, Moses Lake, points north of Moses Lake, Wenatchee)
|From Mattawa, Moxee or Othello you'll be heading east on 240. Watch for the Benton City sign (left photo). You'll turn LEFT onto Route 10 (Horn Road) when you see the sign pointing right to 225 (right photo).|
|As you approach LIGO on Route 10, you'll see our buildings on the west side. When you see the LIGO sign, enter the access road and drive about 300 yards to the lot at the first building. Enter the front door.|
Last modified on July 31, 2014
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LIGO is supported by the National Science Foundation. Any opinions, findings, conclusions or recommendations expressed here are those of the author(s) and do not necessarily reflect the views of the National Science Foundation