From the Main Post Gate:

Go through the gate and continue on 41st Division Drive
Make a Right on Liggett Ave

Drive past the HQ Building on the right and keep going.

 You'll see the parade field on your left and admin buildings on your right.

Main Post Chapel is at the end of the Parade Field, on the right.

Here is a Google Map with directions: http://maps.google.com/maps?f=d&hl=en&geocode=2028005020843384210,47.091200,-122.613330&saddr=fort+lewis,+wa&daddr=47.091134,-122.613215&mra=dme&mrcr=0&mrsp=1&sz=15&doflg=ptm&sll=47.091397,-122.61107&sspn=0.012184,0.026093&ie=UTF8&ll=47.091426,-122.61107&spn=0.012184,0.026093&z=15 

 

From DuPont Gate:

Go through DuPont Gate and continue on Clark Road. Turn left on Kaufman Ave and go to the circle.

Go around the circle to the second street: Liggett Ave and turn right on.

The first intersection will be 9th Division Drive. The chapel is on the left corner.

 Here is the Google Map from DuPont Gate:  http://maps.google.com/maps?f=d&hl=en&geocode=706478738728913517,47.091538,-122.620655%3B10025143062291095208,47.091162,-122.613198&saddr=47.091631,-122.62094&daddr=Liggett+Ave+%4047.091162,+-122.613198&mra=dme&mrcr=0&mrsp=0&sz=15&doflg=ptm&sll=47.093501,-122.621069&sspn=0.012183,0.026093&ie=UTF8&z=15 

 

The address is: Bldg 2001, Liggett Ave.

Parking is behind the chapel, but fills up fast - so come early!