DRIVING DIRECTIONS Traveling on I-90 East, approaching North Bend, take Exit 32 for 436th Ave SE and turn left. Head 0.5 miles on 436th Ave SE and take a left on SE North Bend Way. Proceed 0.3 miles and turn right on SE Mount Si Road. The main parking lot for Little Si will be 0.4 miles on your left as the road straightens out after the bend (if you pass 439th Pl SE or 440th PL SE, you have driven too far). There is an overflow parking lot west of the main lot tucked into SE Mt Si Rd and 434th Ave SE. There is a trail connecting the two.
Be warned that both lots may be full on weekends. Two toilets are in the main parking just off the trailhead. Discover Pass is required.