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In-N-Out Burger

In-N-Out Burger In-N-Out Burger is a fast food restaurant specializing in American-style burgers, located on Sierra Avenue. Since opening in 1948, In-N-Out has focused on fresh ingredients and quality food. Their burgers are made with juicy 100% beef patties and crisp, fresh produce. They also offer hand-cut fries and real ice cream shakes. Diners can choose between the single drive-thru lane or sit-down dining room. Their specialties are lunch and dinner, making it a great spot for a quick bite or casual meal.
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Recent social media posts

06/22/2026

Summer is officially here! Whether you’re chasing longer days, golden sunsets, or late-night fun, we’re here to serve you quality burgers made with the freshest ingredients all summer long!

Our 2026 T-shirt is now available in white! Shop now at shop.in-n-out.com.
06/15/2026

Our 2026 T-shirt is now available in white! Shop now at shop.in-n-out.com.

Golden hour hits different at In-N-Out®! ☀️
06/14/2026

Golden hour hits different at In-N-Out®! ☀️

We’re excited to welcome you to our newest location at the BLVD on the Las Vegas Strip! This restaurant features special...
06/09/2026

We’re excited to welcome you to our newest location at the BLVD on the Las Vegas Strip! This restaurant features special design touches and an on-site In-N-Out Burger® Company Store for a unique experience. We look forward to serving you our classic menu of quality burgers, fries, and drinks.

Fresh fries and summer vibes.
06/07/2026

Fresh fries and summer vibes.

05/28/2026

At In-N-Out®, we serve only fresh, never frozen, high‑quality ingredients. Every burger is made one at a time, fresh to order. Celebrate National Hamburger Day with a classic!

05/28/2026

During this time of remembrance and gratitude, we are honored to bless 10 families of fallen heroes who shared their courageous stories on our tribute wall with 365 days of In-N-Out Burger® by offering them 365 complimentary meal cards. Blessing these families is a small but sincere gesture for the ultimate sacrifice our fallen heroes made in serving our country.

Visit INOsalutes.com to show gratitude to our fallen heroes by reading their stories on our tribute wall.

05/25/2026

Today and every day, we honor those who gave the ultimate sacrifice in service to our country.

Visit INOsalutes.com to share your gratitude and read the courageous stories on our tribute wall.

05/18/2026

Show gratitude to our fallen heroes and share their courageous stories on our tribute wall. With Memorial Day approaching, we would be honored to bless a family of a fallen hero during this time of remembrance and gratitude, with 365 days of In-N-Out Burger® by offering them 365 complimentary meal cards. Each tribute submitted will be respectfully entered for a chance to receive this special opportunity; a small but sincere gesture for the ultimate sacrifice our fallen heroes made serving our country. For more details, visit INOsalutes.com.

NO PURCHASE NECESSARY VOID WHERE PROHIBITED. Odds depend on entries received. Ends 5/25/2026 11:59pm PT. Rules: INOsalutes.com

Address

9855 Sierra Avenue
Fontana, CA
92335

Directions to Sierra Avenue in Fontana:

Public Transport:
1. Take the bus/train to Fontana Station
2. From there, take a taxi/ride-share to Sierra Avenue

Driving/Parking:
1. If coming from the north: Take I-15 S, exit at Sierra Ave and turn right onto Sierra Ave
2. If coming from the south: Take I-15 N, exit at Sierra Ave and turn left onto Sierra Ave
3. Look for parking spots near the restaurant or in nearby parking lots.

Note: This information is not specific to any restaurant and is provided solely for informational purposes.

Opening Hours

Monday 10:30am - 1am
Tuesday 10:30am - 1am
Wednesday 10:30am - 1am
Thursday 10:30am - 1am
Friday 10:30am - 1:30am
Saturday 10:30am - 1:30am
Sunday 10:30am - 1am

Telephone

+18007861000

Alerts

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What people say

Fast food restaurants are known for their quick service and convenience, but what sets In-N-Out Burger apart is their commitment to quality. Located on Sierra Avenue in Fontana, this fast food restaurant offers a menu that is simple yet delicious.

One of the standout items on the menu is their burgers. Made with 100% beef patties that are grilled to order, each bite is juicy and flavorful. The buns are freshly baked, adding an extra layer of texture to the burger. And unlike other fast food chains, In-N-Out Burger only uses fresh produce in their toppings, ensuring that every bite is bursting with flavor.

But it's not just the burgers that make In-N-Out Burger a must-visit spot. Their fries are hand-cut from whole potatoes and cooked to crispy perfection. And for those with a sweet tooth, their shakes made from real ice cream are the perfect treat.

Overall, In-N-Out Burger on Sierra Avenue in Fontana delivers on its promise of "Quality you can taste®." With fresh ingredients and made-to-order burgers, this fast food restaurant stands out from the rest.

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