
Ice Age Flood Pathways in the North-Central Washington Area
Timing, Topography and Type (“Rock Type” that is) Most of





Timing, Topography and Type (“Rock Type” that is) Most of

Palouse Falls is visited by thousands each year. The number

Missoula Strandlines Eddy Narrows Beacon Rock Cape Disapointment I’d like

This is our 6th year preparing a Year-in-Review report for

The Othello Sandhill Crane Festival announced the 2023 theme as

By reconstructing the sea level history of the Bering Strait,

Oregon State University archaeologists have uncovered projectile points in Idaho

Ken Lacy of the IAFI Wenatchee Chapter hosted an information

The rapid decline of the British-Irish Ice Sheet thousands of

Bruce Bjornstad is honored to have his photo of Dry

I’d like to start by thanking the Ice Age Floods

I have always loved the ocean. I spent my growing-up years

It’s been several years since our IAFI.org website first appeared

A near failure of berries and upland food sources has

Since late last year the Ice Age Floods Institute has
IAFI Events
Explore and Discover How Our Amazing Region was Formed!
Field Trips, Presentations and Other Events are designed to educate, entertain and leave you with a sense of “wow” along with providing fascinating information about the Ice Age Floods.







Ice Age Floods Institute Events Inspire, Encourage Exploration, Offer Friendship and Involvement
Field Trips and Hikes are led by amateur and professional Geologists with new and amazing information to share. They are fun, exciting and informative outdoor adventures for the entire Family to enjoy!
Visit our Activities Event Calendar below for IAFI Field Trips, Hikes and other activities in your area, and go have a great time!

We offer indoor Presentations, especially popular when heat or cold make outdoor Field Trips too uncertain or uncomfortable. Many Presentations are available via Zoom.
We also offer programs for schools, senior centers and similar organizations to educate and stimulate minds about the Ice Age Floods.

Other Events such as meetings, festivals, conventions and gatherings, with various public and private organizations, help us tell the story of the Ice Age Floods, Geology, Wildlife and History.
We often have our ‘Store in a Box‘ at these types of events where people can view and purchase IAFI merchandise.

ICYMI (in case you missed it) — Floodwaters rise more than 1,000 feet as they slam into the Columbia River Gorge from the east. The torrent blasts through the narrows at 60 mph, carrying truck-size boulders and house-size icebergs. Reaching Portland, water loaded with gravel and dirt roils to a

This 3:50 minute animation, presented by the Crown Point Country Historical Society, illustrates the growth of the Cordilleran Ice Sheet, the damming and back-up of Glacial Lake Missoula, and the progress of an Ice Age Flood through WA and OR after an ice dam collapse.

Lake Missoula filled many times and emptied catastrophically in many Missoula Floods. Rhythmite sequences [a series of repeated beds of similar origin] at numerous localities provide this evidence: slack-water rhythmites in backflooded tributary valleys below the dam indicate multiple floods, and varved rhythmites in Lake Missoula attest to multiple fillings

Analysis of how long erratics have been exposed on ice-free ground in the hypothesized “Late Pleistocene ice-free corridor migration route” suggests that route was not fully open until about 13,800 years ago, and the ice sheets “may have been 1,500 to 3,000 feet (455 to 910 m) high in the

Check out this 2-Minute Geology expedition with Nick Zentner and Tom Foster exploring the Giant Current Ripples at West Bar and Camas Prairie. Ice age floodwater 650 feet deep – moving at 65 miles per hour – left Giant Current Ripples along the Columbia River at West Bar! The ripples

Check out this video about the Washington 100, a cool new geotourism website by the Washington Geological Survey featuring 100 places to experience amazing geology in Washington State. Then explore the website itself at wa100.dnr.wa.gov

The Washington Geological Survey (WGS) has released 50 high-resolution lidar-derived images of the State’s geology and geomorphology through the Washington State DNR’s Flickr page. The images are available in 16:9 format (7,200 x 4,050 pixels) and 4:3 format (7,200 x 5,400 pixels). Ten of the images are new (see below)

Monument Valley, the Grand Canyon, Niagara Falls: these ancient wonders show how nature’s forces have shaped the face of our planet on a vast timescale, how great landmarks are the work of millions of years of slow, imperceptible erosion by wind and water. But here, across 16,000 square miles of