2026: PNW Cell in Hells Canyon

2026 FOP Pacific Northwest Cell in Hells Canyon

Save The Date: 10-13 September 2026

Topics: What the Hell?? The incision history of North America’s deepest canyon, home to:

  • New clues from old gravels!
  • Caves stranded with river sediments!
  • River corridors entombed in basalt!
  • Solid arguments against the precocious stream capture hypothesis

Leaders: Lydia Staisch, Jim O’Connor, Matthew Morriss, maybe others too

Where: Camp at Chief Timothy Campground, on an island in the Snake River near Clarkston, Washington

Dates: Friday, Sept. 11, through mid-day Sunday, Sept. 13, 2026. Campground available Sept. 10 after 2 PM.

What next? If interested, please fill out this pre-registration form. Pre-registration will be required. Instructions will be emailed this summer to all of those responding to this call. This will be the one and only general call, so feel free to forward to potentially interested colleagues.

If you have specific questions, please email Lydia Staisch: lstaisch @ usgs.gov.

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