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Hiking to Castle Rock, Stansbury Island

Castle Rock (6,649 ft) is the highest summit on Stansbury Island, just West of Salt Lake City. It’s the second largest island in the Great Salt Lake, and was named after Howard Stansbury who led the expedition in the area. Stansbury Island is a fun geological feature as well – it is dotted with shale, limestone, and dolomite rock. A large part of the island is private property, and used by cattle ranchers.

About

It’s very important to stay out of the private area -it is routinely watched by land owners and crossing into that area serves a large fine. Hiking this route to Castle Rock will keep you out of the private land, so you can still make the summit to this desert-like peak.
Ready to hike? Beware that there is no trail – this is a cross country hike but it’s fairly easy in that there is no bushwhacking and you can’t get lost with the completely open terrain. The hard part is the elevation gain which is just over 2,100 ft in 3.5 miles. There is also a small stretch of easy scrambling towards the summit for the last 1/4 mile. This is a very unique area, but conditions can also be harsh. The best time to hike here is in early Spring or late Fall. Depending on the winter, it can also be done then. You’ll want to hike here with cool temperatures as there is zero shade and water.
Get an early start – though its only 7 miles RT it took us almost 6 hours to complete. This trail is dog friendly but beware of cattle (if they like to chase them), and again, having no shade or water. The first time I attempted this hike in 2014, we quickly ran out of water because the other my friends dogs chased cows for about 2 miles total and the temps got warm really quick so Charlie got way too hot. Dogs also need to feel comfortable scrambling over rocks – some may need a boost over the rocks. In this case a dog harness would be nice to have. 
 

Directions

From SLC head West on I-80. Take exit 84, past the Morton Salt Company. Turn left at the stop sign. Then continue along the roughly paved road (it turns to gravel) for 7.6 miles, until you reach a large white “NOTICE” sign and turn right, following the fence line. Park where you feel comfortable.

Here’s a driving map.

 

Trail Info

Distance: 7 miles RT

Elevation gain: 2,184 ft

Time: 5-7 hours

Dog friendly? Yes, off leash

Kid friendly? No

Fees/Permits? None

Hiking to Castle Rock, Stansbury Island

 Turn right at the large white notice sign. Drive as fas up as you can – most people can make it up the first small hill with an SUV or larger. Small cars will need to park a little lower.

Hiking to Castle Rock, Stansbury Island

 Start by following the fence line.

Hiking to Castle Rock, Stansbury Island

You’ll quickly hike a steep section along the fence. Keep going until you get to the end of the fence then head North.

Hiking to Castle Rock, Stansbury Island

Now the fun begins. Hiking cross country here is really easy – there’s zero bushwhacking.

Hiking to Castle Rock, Stansbury Island

Keep aiming up and right (NE) to reach the shoreline/bench area.

Hiking to Castle Rock, Stansbury Island

 Eventually you’ll see the saddle and the summit. Keep following the shoreline until you reach the white arrow. Here, you’ll want to stay on the left of the black rock ridge area as you hike up. It’s easier to climb up than the right side (we took this down and it was really steep).

The blue arrow is the Castle Rock summit.

Hiking to Castle Rock, Stansbury Island

 Our pup pal Heidi, is a 1 year old German Sheppard. She has TONS of energy so this was a great hike for her.

Hiking to Castle Rock, Stansbury Island

Getting close to the black rocks I pointed out before.

Hiking to Castle Rock, Stansbury Island

Whew – it was sweating so much on this section. No wind plus working hard uphill, and I was down to my tank top.

Hiking to Castle Rock, Stansbury Island

Halfway up and Charlie takes a break to yawn. Silly pup!

Hiking to Castle Rock, Stansbury Island

 Looking over to the saddle and peak. The clouds were coming in fast. Here we found a decent game trail that cut diagonally across to the saddle.

Hiking to Castle Rock, Stansbury Island

Annnnd back to my long sleeve shirt. I immediately cooled off once on the ridge from the wind. Only 1 more mile to go!

 We started to make our way across the ridge. Stay as close to the ridge the rest of the way – if you drop down, you’ll have to work that much harder to get up.

Hiking to Castle Rock, Stansbury Island

Snow! I was so glad it was snowing and not raining as we had expected. It’s never fun when your gear gets wet. But this – this was fun!

Hiking to Castle Rock, Stansbury Island

I went from having my base layer tank of to three layers within 20 minutes!

Hiking to Castle Rock, Stansbury Island

 Up and down, over the hills…

Hiking to Castle Rock, Stansbury Island

 We couldn’t see the Castle Rock anymore, but we weren’t going to stop.

Hiking to Castle Rock, Stansbury Island

Looking back down the ridge.

Hiking to Castle Rock, Stansbury Island

The last 1/4 mile is all scrambling. The dogs needed a boost for one rock, but otherwise they made it themselves.

Hiking to Castle Rock, Stansbury Island

The snow stopped but the clouds lingered.

Hiking to Castle Rock, Stansbury Island

Making our way higher and feeling good now!

Hiking to Castle Rock, Stansbury Island

Aww I finally got a photo of Charlie smiling! He loves this stuff.

Is that…blue skies I see in the back?!

Hiking to Castle Rock, Stansbury Island

A few more climbs up, firstHiking to Castle Rock, Stansbury Island

 And we made it! Summit selfie! Sad that we didn’t have any views though! I gave Charlie his command to get on the rock behind me. “Load up!” I said. But instead of jumping on the rock he jumped up on me!

We had some snack and hot tea from my thermos, then it was time to head down.

Hiking to Castle Rock, Stansbury Island

 Ooh, dark and eerie skies as we hiked back down.

Hiking to Castle Rock, Stansbury Island

By the time we got off the ridge it was back to warmer temps and sunny skies. That’s Utah for you!

Hiking to Castle Rock, Stansbury Island

A good sign the pups enjoyed their hike!

 

Trail Map

My track via Gaia GPS – the best tracking app! Get your app here for a discount.

 

Recommended Gear

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Hiking to Castle Rock, Stansbury Island

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