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    Tassajara Creek Regional Park

    3.4 (16 reviews)

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    A baby bunny!
    Kev H.

    I loved the fact that there was a park near my home and the park had a hiking trail in it. However, from the get go you could tell that this park wasn't really super duper well maintained. But I enjoyed the wooden bridge it had there with a creek right below it. It could be a good place for Instagram posts or selfies. When we were there, we say lots and lots of bunnies and squirrels. They were super cute and adorable. I think the fact that there weren't just lot of visitors in this park made them more comfortable to go out in this area. This park is perfect for an early morning stroll during the weekend.

    Manda Bear B.

    ****************** 1638 ****************** The Tassajara Creek Trail is located in the southeast portion of Mount Diablo State Park. Remote and exciting for people just want a quick walk after a food coma or to add on your regular jog routine if you live in the neighborhood. This trail is short than most, only 1.28 mile and it's not a real hike, fairly easy for beginner. However, if you jog or run, after your weight training. This trail works good for that and it's nice to be connect with nature. I saw rainbow here after the rain yesterday. Nice and green now in the fall of 2016, hope the rains keep coming to keep it pretty this way.

    Ron D.

    Don't be fooled because park is undeveloped and the trail is really short. Not much signage around the area to help you find your way.

    Keep your eyes open for this sign, located on the left of the street.
    Melody D.

    I haven't yet explored this trail, but I'm excited to explore it with our 15 month english lab. It's just a short walk or run from our place.

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    4 years ago

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    15 years ago

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    11 years ago

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    10 years ago

    Well tried it based on the review but it pretty much closed off by government property line:( not much fun

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    12 years ago

    very nice little hike inside of Dublin

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    Review Highlights - Tassajara Creek Regional Park

    At the end of one way we saw Emerald Glen Park so we crossed the road and had the kids play at the park.

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    Summit View Trails

    Summit View Trails

    4.3
    (15 reviews)
    2.6 mi

    One of my favorite place for sunset stroll with my dog. The trail is pretty flat and takes around…read more10 min one way with lovely view of the valley. Along the trail, there are some picnic tables/ benches and a disc golf field. If you wanted to watch sunset at a summit without strenuous hiking, this is the place to go. Parking is easy around the neighborhood.

    "Green Rolling Hills with Lots of Cows--Most Friendly but one Looked at me with Menacing Eyes."…read more I parked at the summit, and took the trail north. It's about 3 miles if you go all the way to the driving range at Bridges Golf Course. At that point the trail peters out. It looks like they are constructing a new trailhead there. The trail is open, so don't count on any shade in the summer. It's pretty much green hills, with a compacted dirt trail. Fortunately, it's not rutted. I found the hike mildly interesting, but honestly, nothing special. Near the golf course practice center, I saw a lot of range balls on the ground. I was tempted to take them, but I threw most of them back onto the range. I'm pretty sure I did not hit anyone, but a few times I heard some klunks, followed by shouts. I wasn't sure what that meant. They might have been mad that I still had 2 golf balls in my jacket. I did not notice I had borrowed some golf balls until I was pretty far away. These trails are good for beginner hikers, since there aren't any wild animals around. I'm pretty sure there aren't any rattlesnakes or mountain lions. But if there are, I did not see them. And even if I did see any, I had some golf balls I could throw at them. The only wild animals are herds of cows. And there are lots of them! At one point I had to go way around a huge herd. I'm not really afraid of cows, but one kept looking at me with menacing eyes and did not budge from the trail. I was afraid of that one. Could it be a boy cow? I was afraid to get close to find out, so I honestly don't know if it was a boy or girl cow. But he or she looked mean. The whole time I went around the cows I kept saying pleasant things like, "Hi Susie," or "Hi Betsy, how are you?" I'm pretty sure they knew I was a friendly man. I was surprised they knew English. So over all, a pleasant hike. Nothing really special, but plenty of parking makes this a convenient location. The incline is really not too steep, so most hikers will find this an easy hike. For yelpers who are geocachers, there are plenty of geocaches on this trail. I put out about 8 new ones, so there will be lots to find. Keep in mind that there really aren't any facilities such as restrooms or drinking faucets. On the other hand, it's really not a very long hike. Just watch out for that cow with the mean looking eyes.

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    Summit View Trails
    Quick hike to the summit. Perfect for a brief meditation before starting busy day. San Ramon I love you.
    Quick hike to the summit. Perfect for a brief meditation before starting busy day. San Ramon I love you.
    Summit View Trails

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    Castleridge Trailhead

    Castleridge Trailhead

    4.7
    (17 reviews)
    4.8 mi

    This was my first time doing this particular trail. I chose it today because it does have shade…read moreoptions along the walk. It is pretty steep when you first get there. It does level out a couple spots, but just continues to have a gradual incline. So be prepared. It was busy and well traveled as I saw quite a few people going up and coming down. I did see one snake, but it was non-venomous in the shadow of the trees on the trail. Bring lots of water because it does get hot. I don't think I would do this hike again, but I'm glad I did it.

    Ok this is the "first time" that I write a review on a hiking trail. I just couldn't resist doing…read moreso.. why? It's one of the, if not THE best trail I have ever hiked. My hiking criterias are simple :). They have to give me a good intense workout & with lots of shades, in the woods if possible. It's hard to find a trail with such combination and I found it here. It's also so blissfully quiet, fresh air with smells of the oak trees. First time on this trail and boy was I in for a good surprise! It's a "really" steep, challenging, inclined uphill hike all the way (starting from base to the top) with significant elevation gain every step of the way. Also unpaved with lots of pebbles/rocks along the way. So be sure to have a good sturdy pair of hiking boots/shoes with you. It's a good 4mile roundtrip (two mile each way which takes roughly 1hour to get to the top and another 1hour coming down). The maximum elevation was 1450feet. It's fairly narrow trail and you will find many folks doing mountain biking here .. on the same trail.,So you need to keep an eye out as you hike up and down. I was truly impressed with the cyclists who did the whole roundtrip up the hill as I found myself starting to pant just a 1/4 mile into the hike.. and this is me, someone who does high intensity workout 6days a week with most days double dipped (cardio+strength). Love that it has lots of shades as we walked through the woods with huge fallen trees and eroded land. On our way down we even saw sheeps and stopped to feed them some grasses & hear the bleat, meh and baa sound from their baby sheeps. This is now my top of the list favorite place to hike. Initially I was planning to hit the gym in the evening to do my usual strength and cycling classes.. but I ended up skipping it after that long strenuous hike.

    Photos
    I made it to the top!
    I made it to the top!
    Castleridge Trailhead
    Castleridge Trailhead

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    Emerald Glen Park

    Emerald Glen Park

    4.5
    (178 reviews)
    0.9 mi

    I came here randomly on a Thursday because it was scorching hot, and this is the closest splash pad…read moreto me. To my surprise, there was an evening farmers market. The atmosphere was so amazing. There was excitement coming from the park and waterpark. There were tons of local vendors. I truly enjoyed all the sampling at the farmers market. There's tons of green space with courts available - like basketball and tennis. Corn hole was being played as well. It was so much fun!

    SUMMER CONCERT REVIEW: The city of Dublin hosts free weekly summer concerts from June through…read moreAugust at Emerald Glen Park on Thursday evenings. This also coincides with their farmer's market. I came here last Thursday to catch "Pop Fiction", a cover band. I arrived at 5:40 PM, 20 minutes before the concert, so I walked around to check out the farmer's market. There are food trucks, fruits, veggies, seafood, pastries, and lots more. The concert is at the Amphitheater, which has a couple tiers of lawn area. Early birds take up the back section and set up their tents and tables. We had a few folder chairs, and brought our own food for a little picnic. "Pop Fiction" was high energy and did a good job with songs from the '70's to today. They were a little pitchy at times, but everyone was just having a good time. As the evening progressed, more people came up front to dance or sway. There's no shade on the lawn, so definitely bring sunscreen and hats. The park itself is huge, but I didn't have time to check it all out. We enjoyed the concert and picnic. We'll probably be back for another one before the summer is done.

    Photos
    Rose garden.
    Rose garden.
    Emerald Glen Park
    Lawn area in front of the stage

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    Lawn area in front of the stage
    Shadow Cliffs Regional Recreation Area

    Shadow Cliffs Regional Recreation Area

    3.3
    (151 reviews)
    4.1 mi

    We came here early in the AM to fish for a few hours, and it was largely unsuccessful aside from a…read morecouple small fries. They stock trout, catfish, bluegill, and black bass, and have convenient monofilament and fluorocarbon recycling bins. Parking fee is $5 (and plenty of it), as well as fishing, and additional fees if you bring boats here. There is no reception in various areas. It looks like it's a poppin' place for hiking, picnics, and other recreational activities. There is swimming allowed in the main lake only, though it's not the cleanest lake I've seen. The entire park area is quite expansive, that you'll have to drive around to visit everything efficiently. I suppose you can hike, but the road is a bit gravelly, rocky, uneven, and dirty with random poop. If you're walking to some of the fishing docks, you'll have to be careful about trekking up and down the hills with your gear. It could have been the day, but this was one of my least favorite fishing spot around the bay. The fishing docks were whatever, the fish weren't biting, the cleanliness wasn't there, and the trails were annoying. It started hailing/heavy raining randomly on our spot, even though it was going to be a warm afternoon. Also, an otter stole one of our catches. Still, the topography was interesting so I'd be open to coming here again to see if I'm being unappreciative.

    Lovely place to get on the water in Pleasanton - we stopped by with our newly purchased paddle…read moreboards earlier this month. There is a $5 parking fee and a $7 boat inspection fee (inspections are valid for a month) as they are concerned about mussels getting into the lake. After parking, we inflated our paddle board and lowered it into the water, which was clean and calm. We all took it out for a spin, some of us staying close to shore, others venturing much further. Some of us rowed sitting down, others paddled standing up, till we were all tired and hungry and decided to call it a day. Will be back!

    Photos
    Shadow Cliffs Regional Recreation Area
    Park/fishing side of park
    Park/fishing side of park
    Trail along water

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    Trail along water

    Tassajara Creek Regional Park - hiking - Updated August 2026

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