These trips are in the Skagit River valley above Sedro Woolley, but exclude Mount Baker and the Baker River valley.
- Between Marblemount and Newhalem: 10 meters of Crater Lake ash deposited in a landslide dammed lake.
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MOUNT BAKER: Eruptive history, hazards, research.
Visit Mount Baker Volcano Research Center websites Main website and the blog These are no longer actively maintained but are still good references [DT, April, 2020]-
Most recent posts
- Evolution of the Puget Lowland, last 20,000 years October 17, 2022
- Winchester Mountain trail side geology September 11, 2022
- Mount Pilchuck geology guide is published. August 26, 2022
- Rock Trail in the Chuckanuts updated April 18, 2021
- About these field trips- they are not actually ‘virtual’. November 29, 2020
This website first appeared December 6, 2009
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Northwest Geology Field Trips, by Dave Tucker, is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 United States License. You can use what you find here, repost it with attribution to the author, "remix" it for your own purposes, but may not use it with the intent of making money off of it.EDUCATORS: Please feel free to use anything you find here that is useful to your mission educating people about Earth science.
Your scribe the cat mattress.Blogroll
- A list of many many geoblogs You will surely find something of interest on this list, which is constantly being updated.
- David William's Stories in Stone About urban geology and the stone we build with
- Mount Baker Volcano Research Center A website about volcano research at Mount Baker in the North Cascades, eruptive history, publications, and links to other Baker-related volcanology sites
Some of my favorite NW Geology websites
- Central Rocks! Central and eastern Washington geology: Virtual field trips, lectures, interviews
- John Scurlock's aerial photography John takes great photos of mountains and glaciers of the Northwest USA and British Columbia
- Reading the Washington landscape Odds and ends about Washington geomorphology by Whatcom County geologist Dan McShane.
- Western Washington University, Geology Department One of the best places to get a degree in geology in the entire Northwest: BA, BS, MS. The graduate program is highly rated.
Field Trip sorter-outer
- BOOK: Geology Underfoot in Western Washington
- Citizen geology
- Field Trips
- Baker River limestone and the town of Concrete, Washington
- Baker River Trail Geology. Green, green, green: rocks, moss, water.
- Beach 4, Olympic Coast: folded rocks, overturned turbidite beds, an angular unconformity, seastacks, and a great beach walk.
- Damfino Lakes trail to Excelsior Pass
- Dickerman Mountain trail geology guide
- Doty Hills augite crystals
- Excelsior Trail geology guide
- Fidalgo Ophiolite, Part 1: A bit of the mantle at Washington Park, Anacortes
- Fidalgo Ophiolite, Part 2: Mount Erie and the ocean crust
- Field trip to the Wells Creek volcanics, North Fork Nooksack River
- Fragrance Lake geology guide
- Geology field trip to metamorphosed marine lava and sediment at Burlington Hill, Skagit Valley, Washington
- Geology Guide to Cougar Divide, Mount Baker
- Geology Guide to Hidden Lakes Trail, North Cascades, Washington
- Geology Guide to the Blue Lake Trail (Washington Pass)
- Geology guide to the Oyster Dome, Blanchard Mountain
- Geology hike on the Gold Mine Trail, Sumas Mountain, Whatcom County: conglomerates and a mining scam.
- Geology trip to Nodule Point, Marrowstone Island, Washington
- Glacial erratic geology field trips
- Bellingham area glacial erratics
- Jackass Mountain conglomerate glacial erratic, Blaine, Washington
- Newly excavated erratics in Ferndale
- North Cascades glacial erratics
- Saar Creek erratic, near Sumas, Whatcom County
- Seattle area glacial erratics
- ‘Big Rock’ (another one) in Duvall, Washington
- BEACH ERRATICS AT DISCOVERY PARK, SEATTLE
- Des Moines Beach erratic
- Edmonds Way erratic, Edmonds, Washington
- Fantastic Erratic, Cougar Mountain Regional Park, King County
- Martha Lake Erratic
- Ravenna Park granodiorite erratic, Seattle
- The fossil-rich erratic at Leschi Park
- Thin white dikes in the Highline Community College erratic
- True granite: an unusual granite erratic in Lake Stevens
- Shasta Court erratic in Coquitlam, BC
- Source of the quartzite in Puget Lowland glacial till.
- The Aldergrove, BC, erratic, a.k.a. ‘Big Rock’
- The Lake Stevens monster- largest erratic in Washington. Largest in the US?
- Whidbey Island Erratics
- White Rock, a large erratic at Hood Head, Hood Canal
- GSA guide to Mount Baker volcanic deposits in the Baker River valley: 19th century lahars, lahars, debris avalanches, and early Holocene subaqueous lava
- Iceberg Point, Lopez Island: a Geologic Field Guide
- Mount Pilchuck Trail Geology Guide
- Pholiated Phyllite phield trip- South Fork Nooksack River
- Pillow lava formation and sites in Washington
- Point Whitehorn, Whatcom County
- Ridley Creek Trail – Geology Guide
- Rock Trail geology, Larrabee State Park
- Sedimentary geology at Teddy Bear Cove, Whatcom County
- Skagit River valley and Highway 20
- Stilpnomelane at Blanchard Mountain, Skagit County
- Tamanowas Rock, Chimacum, Olympic Peninsula.
- The Chuckanut Formation
- Ancient track of giant bird Diatryma now on display at WWU
- Chuckanut Drive landslides
- Eocene Chuckanut display at WWU
- Field trip to the 2009 Racehorse Creek rock slide
- Frank’s Beach, Lummi Island: steeply-dipping Chuckanut Formation layers
- Geology of Squires Lake and the Alger Alp
- Giant bird Diatryma footprint found in Whatcom County
- Honeycomb weathering in sandstone of the Chuckanut Formation
- Layers in the Chuckanut- a walk to visit conglomerate, coarse- and fine-grained sandstone.
- Raptor Ridge geology hike, Chuckanut Mountains
- Silver Creek: sedimentary structures and flood erosion in the Chuckanuts
- The Mount Baker Theater Rock, Bellingham
- The Racehorse landslide fossil fields
- Very large, glacially scoured Chuckanut slab, Samish Hill, Bellingham
- The sweetest little syncline in the Chuckanut
- Volcanic ash interbedded in Chuckanut at Clayton Beach
- The cinder cone in Schreiber’s Meadow
- The Deadhorse Volcano, Chowder Ridge, Mount Baker
- The high dome of Bald Mountain; and Big Rock, too.
- The Pinus Lake andesite lava flow, North Fork Nooksack River
- The Pollywog agmatite
- Update: Capricorn Debris Flow field trip
- Victoria waterfront geology 3: Dallas Road Waterfront Trail
- Victoria’s waterfront geology, Part 1: Harling Point
- Victoria’s waterfront geology, Part 2: Inner Harbo(u)r Glacial Features
- Virtual field trip to the Swift Creek landslide, Whatcom County
- Whidbey Island glacial deposits
- Winchester Mountain trail-side geology
- Capricorn Creek, BC, avalanche and debris flow
- The Church Mountain Landslide
- Geo basics
- Guides, Books, Maps
- Places
- Posts
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Northwest Geology Field Trips 
Please send me an email regarding lectures/talks and field trips.
Thank you,
Jo
Please subscribe to this blog and also the Mont Baker Volcano Research Center blog to receive field trip and lecture notifications. We do not send out bulk emails about events.
I received a notice of a Skagit Valley geology trip, but alas, I have no details…like when and where.
Please advise,
Thaks,
Jo
Jo, There are no trips planned until next spring. There was no trip planned or scheduled in the Skagit Valley. The page on which you posted your comment links to the self-guided trips I describe in my personal blog, Northwest Geology Field Trips. All field trips are announced via email sub to on the Mount Baker Volcano Research Center website: mbvrc.wordpress.com. There are a number of presentations in Whatcom County over the next month about Mount Baker eruption history and hazards. These are posted here:
http://mbvrc.wordpress.com/field-trips/
Dave Tucker