We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Mansun Japanese Restaurant

21190 Golden Springs Dr, Walnut, CA 91789-3923
+1 909-594-9717
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
  • Excellent25%
  • Very good75%
  • Average0%
  • Poor0%
  • Terrible0%
16 Oct 2017
“Small but great food”
23 Sep 2017
“Full meal with dessert for $10!”
Restaurant Hours
21190 Golden Springs Dr, Walnut, CA 91789-3923
All Details
Write a ReviewReviews (4)
Traveller rating
Traveller type
Time of year
Reviewed 16 October 2017

I have eaten here a dozen times in the past few years as it is near the hotel and we like the personal treatment from the owner. The Bento boxes are good but the Sushi is the reason to go and enjoy.

Date of visit: July 2017
Thank Robertb75040
Reviewed 23 September 2017

The sashimi is fresh, and the meal even comes with green tea ice cream at the end. Service is fair, the amount and quality of food for the price is a good value.

Date of visit: August 2017
Thank Ted K
Reviewed 4 September 2017 via mobile

After a nice long hike in the mountains, we were hungry and needing some sushi. Mansun is a small, quaint place with modest, but nice decor. We were seated immediately and ordered the #9 and #10 lunch specials. The friendly server brought out some tasty...More

Date of visit: September 2017
Thank H971LItimb
Reviewed 30 June 2015

They have some of the best and freshest sashimi and sushi in town. Uni bowl is also great. Service could get overwhelmed a bit when they have a full house. Having said that, they do care about their service and apologize when they can't keep...More

Date of visit: June 2015
Thank Peter W
Nearby HotelsSee all hotels
Holiday Inn Select Diamond Bar
138 reviews
.78 km away
Ayres Suites Diamond Bar
619 reviews
1.18 km away
Quality Inn & Suites Walnut
60 reviews
2.61 km away
Best Western Diamond Bar Hotel & Suites
256 reviews
3.50 km away
Nearby Restaurants
Barro's Pizza
23 reviews
.37 km away
In-N-Out Burger
20 reviews
.13 km away
Farmer Boys
15 reviews
.46 km away
Farmer Boys
5 reviews
.42 km away
Nearby Attractions
Frank & Son Collectible Show
28 reviews
2.89 km away
Farm Store at Kellogg Ranch
23 reviews
7.28 km away
Round 1 Bowling and Amusement
14 reviews
7.93 km away
SpeedZone Los Angeles
21 reviews
6.62 km away
Questions & Answers
Get quick answers from Mansun Japanese Restaurant staff and past visitors.
Note: your question will be posted publicly on the Questions & Answers page.
Posting guidelines
Improve this listing

Restaurant Details

Location and Contact Information
  • Address: 21190 Golden Springs Dr, Walnut, CA 91789-3923
  • Location: United States  >  California (CA)  >  Walnut
  • Phone Number: +1 909-594-9717
Is This Your TripAdvisor Listing?
Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more. Claim Your Listing