The Lake Stevens Monster!

Hidden in a treed area surrounded by a neighborhood built in the 90’s is the little known “Lake Stevens Monster!” Standing 34 feet tall, 78 feet wide with a midsection measuring an astounding 210 feet. This gargantuan beast is one best appreciated in person, as my photos do its colossal size no justice.


What is this mossy creature, you ask? It's said to be the largest glacial erratic in the United States, which is basically an out of place rock that travelled by glacier to its current home. The Latin word for erratic is errare, which means to wander. There's good indication that this wandering giant made its 37 mile journey to Lake Stevens all the way from Whidbey Island during the great Vashon Glacier out of British Columbia almost 20,000 years ago.

The type of rock our stone friend is made of is a a serpentinized greenstone that is formed when basalt lava is subjected to low grade metamorphism (heat, pressure, etc.). Likely from lava flows that erupted out of the Pacific Ocean seafloor and carried inland and pressurized beneath the earth creating the greenstone. It's really a beautiful rock to examine, but please mind the signs and stay off- do not disturb the monster!

To get there you'll exit straight onto 20th St from the East side of the Highway 2 trestle connecting Everett to Lake Stevens. After about a mile turn left at the traffic light on 83rd Ave. keep following until you pass a Dead End sign and you'll faintly see the rock behind some trees on the right. There you'll see a small grassy area and a picnic bench. Also, across the street is a playground and at the center of the cul-de-sac is one of those cute little libraries. This could be a fun outing to have a picnic in a very obscure place.

"Monster" Slideshow

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7 Comments Add yours

  1. Judy Tennant says:

    Interesting I’d like to go there and explore.

  2. Anonymous says:

    That’s not the only one in lake Stevens

    1. Liz Duncan says:

      Oh really? Where can you find the other one?

  3. Anonymous says:

    We use to play on this as kids… we would ride our ponies to it …back then there was an old fisheries ponds around it. 1970’s

    1. Liz Duncan says:

      I noticed the wetland below the rock. Interesting…

    2. Anonymous says:

      I was also one of these kids that climbed all over this rock as a kid in the sixties with my sibling and the neighbor kids. It was a great place to grow up.

      1. Liz Duncan says:

        So many don’t even realize it’s there. It’s such a cool feature to the area.

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