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Bellevue, Washington, United States

Bagley Seam Trail

Part of the Cougar Mountain Regional Wildland Park.

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Difficulty: Easy
Length: 0.2 miles / 0.3 km
Duration: 1 hour or less
Family Friendly • Dog Friendly
 
Overview: The official trail may only be .2 miles long but to get to this trail you will have to hike in using one of two different routes, via Red Town Trail or Wildside Trail. The total distance travelled round trip will be about 3/4 of a mile from the Red Town parking area.

This trail is a nice part of the coal mining history that can be found at Cougar Mountain. On this trail you can see and touch an actual coal vein, better known as Bagley Seam for which the trail is named after. From either direction you come from you will come across the seam near the half way point in the trail. It can be difficult to spot if you are hiking this trail in the fall when large maple leaves cover the ground. To help guide you, there is a large fallen tree on the trail and you will have to step over its stump to continue on the trail. This stump serves as a marker for the Bagley Seam. Look to the other side of the stump, about 1 foot above the trail, and you will see the black coal protruding from the rock.

This is the only attraction to see on this short trail but it does tie in with the mining history of the area. If you are hiking these trails to learn more about the areas coal mining history I would suggest hiking this trail in addition with; Rainbow Town Trail, Steam Hoist Trail, Red Creek Trail, and the Coal Creek Trails. Together these trails will provide you with a relatively easy hike that can be completed by nearly everyone.

If you are looking for a challenging trail run this short trail would be a great trail to start on. It is short but technical as there are many slippery rocks and stumps to traverse. The incline of the trail is also steep and will offer a challenge to beginner trail runners.


Tips: How to get here:

From I-90 East take Exit 13 and make a right at the stop sign. Continue to follow Lakemont Blvd SE and the Red Town Trailhead parking lot will be on the left, about 3 miles away. The parking area holds 25-30 cars and has additional parking is to the left of the entrance.

The quickest way to get to this trailhead is to take the Wildside Trail; on your left you will see the trailhead marker for the Bagley Seam Trail.

The next best route would be to take the Red Town Trail heading south from the parking lot. On the right you will come across the Bagley Seam Trailhead marker.

Connecting Trails:

-Red Town Trail
-Wildside Trail

Park Hours:

The park is open year around from 8:00AM to Dusk

Amenities:

-There is no drinkable water located on the trail. Water should be brought with you.
-The nearest restrooms are located at the Red Town Trailhead just to the left of information booth.

Points of Interest

Landmark
map

Ventilation Pipe

At the intersection of Bagley Seam and Wildside, you can see a tall pipe coming from the ground. It is used to vent the gases the accumulate in the mine shafts below.
Junction
map

Wildside Trailhead Marker

This is the beginning to the Bagley Seam Trail, accessed from the Wildside Trail.
Landmark
map

Coal Seam

The seam can be difficult to located, especially in fall when there are many leaves on the ground. About half way down the trail you will come to a fallen tree and have to cross its stump. At the stump look to your right and you will see the Bagley Seam.
Junction
map

Red Town Trailhead Marker

This is the beginning to the trail from the Red Town Trail. If you want to continue on to see more of the areas mining area, I suggest starting from this point.
Pictures in this guide taken by: gbhoskins

Bagley Seam Trail Trail Map


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About the Author

gbhoskins
gbhoskins
25 guides
view gbhoskins's profile
Just moved back to the Pacific Northwest and love exploring new trails.

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