Alerts & Notices

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  • SR503 Closed East of Woodland; Ape Cave Detour

    Due to a large slide and unstable hillside, State Route 503 is closed near Ariel.  WSDOT expects repairs to be completed in June or early July.  If you are visiting sites along FR90, (from south) take SR502 or (from north) Cedar Creek Rd.

    Details: www.wsdot.wa.gov/news/2017/03/22/rockfall-risk-will-keep-sr-503-east-woodland-closed-through-spring

    Full detour directions for Woodland I-5 exit to Ape Cave/ other south side of Mount St. Helens sites: 

    1. Take Exit 21, Woodland.

    2. Turn right just before the Arco station onto East CC Street.

    3. Follow across the bridge and veer left onto NW Hayes Rd. It will turn into Cedar Creek Rd.

    4. Drive 18 miles to SR 503. Follow SR 503 north 8 miles to T in road. Turn right and drive though Cougar. Proceed 6 miles to Forest Rd. 90.