Rosario Beach, Head and Tide Pools at Deception Pass State Park

Rosario Beach at Deception Pass State Park

Shh…Don’t tell anyone.

Arrive on any non-summer-visitor-rush day at Rosario Beach and you will likely be alone. I know, right? Unfortunately, most folks must visit during the summer months, which are also awesome, as long as you don’t mind sharing. And I don’t.

RosarioSetup7First, the tide pools, also known as the Urchin Rocks, for reasons that will become obvious when you arrive. En route, stop at the kiosk (you’ll pass it and the new restroom facilities on your way). Check out the sketch on the back side to see examples of creatures you might encounter during low tide. The informational sign shows several creatures that I have yet to find, including nudibranchs and octopuses.

IMG_5169IMG_3631-001Then follow the path towards the water and head to the rocks on the right. During the summer, a Beach Watcher will likely greet you. She is there to remind you to tread carefully on the rocks, which are covered with mostly small, often delicate creatures, and follow the rope path along the rocks to minimize damage to living things.

hermit crab with dog whelk and barnaclesIMG_5460aggregating anemoneaggregating anemone and chitonaggregating anemonedog whelk and anemonetube wormbarnacles

aggregating anemonepainted anemoneburrowing sea cucumbers and sea star

Expect to see, at a minimum,
barnacles, hermit crabs, chitons, mussels, dog whelks (a type of snail), puppet margarite snails and absolutely, positively: anemones!

The UPS Slater Museum of Natural History site says, “This and some other anemones are tinged green because of commensal algae called zoochlorellae that grow within them. These algae photosynthesize, and some of the organic compounds they produce are transferred to the host anemone, providing some of its nutrition. This anemone functions something like a plant in the intertidal zone! The species reproduces asexually by budding off small individuals, which then grow to maturity. When you see a mass of these anemones, they are a clone, all individuals genetically alike because of this. But when two of these colonies develop next to one another, they engage in what could be called “clone wars.” They have special tentacles around the rim, and those on the edge of the colony deploy them against the adjacent colony and force it back, so there is always a clear separation between the colonies.”

Look carefully, and you may also see tidepool sculpins (a type of fish), tubeworms, and orange ribbon worms. If the tide is especially low, so low that the bases of the larger rocks are exposed look there to find bright orange (with brown highlights) burrowing sea cucumbers and painted anemones.

Pay attention to the waters and the skies and you will likely see birds, especially herons, osprey, bale eagles, common flickers, oyster catchers, hummingbirds and Harlequin ducks.

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Opposite the Urchin Rocks, you’ll find Sharpe Cove, complete with a small dock. Carefully lift rocks at low tide to see small crabs and other creatures. Be a good beach steward and just as carefully return rocks to their original positions before you go.IMG_9320IMG_3949East end of Sharpe Cove
When the tide is especially low, you might find exposed plumose anemones, burrowing sea cucumbers and/or species of urchins that you might not see in the tide pools. I once saw (and, I’d like to think…ahem…rescued from beaching itself) a Lion’s Mane jellyfish!

plumrose anemonelion's mane jellyfish at Sharpe Cove Rosario Beach

During high tide, there is less to do in Sharpe Cove, so be sure to check out the carved wooden statue of the Maiden of Deception Pass and read the legend about her on the informational sign. There is an excellent video as well.IMG_9254IMG_5386-001IMG_3639-001Finally, spend some time hiking either along the north side (which is rocky), central or south side trail to Rosario Head. From BBC GCSE, “Headlands are formed when the sea attacks a section of coast with alternating bands of hard and soft rock.(P) The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. This leaves a section of land jutting out into the sea called a headland. The areas where the soft rock has eroded away, next to the headland, are called bays.”

IMG_3860Deception Island from Rosario HeadIMG_3670

In the spring, you’ll find many species of wildflowers at Rosario Head. I’ve also had bird encounters and even one, from a distance, with a seal frolicking in the water.

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From Rosario Head, you can see West Beach, Deception Island, Northwest Island, Gull Rocks and Coffin Rocks.

When you’ve had enough of the view (plan for this to take a while) and return to the large grassy field beyond the strip of land between the two bays on your way back to the parking lot, to the right you’ll see the trailhead for the half mile long Bowman Bay/Rosario Beach Trail that runs between these two areas of Deception Pass State Park, which I highly recommend. Rosario Beach is a great place to visit anytime, but especially during low tide.

juvenile eagle and tugboat at Rosario HeadIMG_9272Rosario Head viewed from Lighthouse Point TrailDeception Pass State Park map excerpt showing Rosario Beach and Bowman Bay

PS Movie fans might want to know that a significant scene from the movie Captain Fantastic starring Viggo Mortenson and scheduled for release later this year, was filmed at Rosario Head in September of 2014, “A father living in the forests of the Pacific Northwest with his six young kids tries to assimilate back into society.” Here’s a close-up of the actor (Deception Island is in the background). This second photo shows the filming crew too.

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3 thoughts on “Rosario Beach, Head and Tide Pools at Deception Pass State Park

  1. Sally, Ah…you noticed. I feel kind of bad about doing that but I looked at the original post and it was totally lame. New stuff next time. Thanks so much for reading and reblogging!

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