The best way to learn about caving or become involved in the Grotto is to come to one of our monthly meetings which are open to the general public! 
Cascade Grotto meetings are held on the third friday of  *most months, from 7:00 to 9:00 pm in Classroom B at:
Tukwila Community Center, 12424 42nd Ave S, Seattle, WA 98168 (See map below for directions). 
Free parking is available on location, and it is only 0.9 miles from the light rail.

*some months we do not have business meetings; see our Meeting Schedule for up-to-date info:

2018 Meeting schedule (subject to change):

  • Friday, April 20th, 2018 7:00-9:00pm, Join us for a general meeting located at the Tukwila Community Center. Join us for food and drink after the meeting, restaurant location TBD.
  • Go to our Facebook Page at to see upcoming events! (You do not have to be a Facebook user to access this public page)

Click map below for directions: