Mount Si Trailhead Parking Lot
Directions from Seattle
1. Head southwest on Madison St toward 4th Ave
2. Take the 1st right onto 4th Ave
3. Take the 1st right onto Spring St
4. Turn right onto the I-5 S ramp to Portland
5. Follow signs for I-90 E/Bellevue/Spokane and merge onto I-90 E 30 Mi
6. Take exit 32 for 436th Ave SE 0.3 mi
7. Turn left at 436th Ave SE/Cedar Falls Rd 0.5 mi
8. Take the 3rd left onto SE Cedar Falls Way 0.3 mi
9. Take the 1st right onto 432nd Ave SE/Stilson Ave SE 0.1 mi
10. Continue onto SE Mt Si Rd 1.3 mi
11. Continue onto 452nd Ave SE 0.4 mi
12. Continue onto SE Mt Si Rd/Nat for Dev Rd 9010
13. Continue to follow SE Mt Si Rd 0.8 mi
14. Turn left at Mt Si Trailhead Parking Lot 0.1 mi
