25 Best Things to Do in Ontario (CA)
Welcome, fellow adventurers, to Ontario, California β a vibrant gem nestled in the heart of Southern California’s Inland Empire! Often seen as a gateway thanks to its bustling international airport, Ontario is so much more than just a transit hub. It’s a destination brimming with diverse experiences, from captivating art and rich history to thrilling outdoor adventures and indulgent culinary delights. Imagine sun-drenched days exploring lush botanical gardens, discovering hidden artistic treasures, or perhaps teeing off on a championship golf course with stunning mountain backdrops.
This dynamic city offers a unique blend of urban excitement and serene natural beauty, making it an ideal escape for every type of traveler. Whether you’re a history buff, an art enthusiast, a thrill-seeker, or simply looking to unwind under the California sun, Ontario promises an unforgettable journey. The best time to visit is typically spring (March to May) or fall (September to November), when the weather is pleasantly warm and sunny, avoiding the peak summer heat and crowds. Get ready to uncover the best of Ontario β your next great California adventure awaits!
π° Travel Cost Overview
Category | Budget | Mid-range | Luxury |
---|---|---|---|
Accommodation (per night) | $85-120 | $150-250 | $300-500+ |
Food & Dining (per day) | $20-35 | $50-80 | $100-150+ |
Transportation (per day) | $10-25 (local bus/rideshare) | $50-80 (car rental + gas) | $90-150 (premium car rental/private transfers) |
Activities & Attractions (avg. per day) | $15-30 | $40-70 | $80-150+ |
Total Daily Budget | $130-210 | $290-480 | $570-950+ |
Weekly Budget Estimates | $910-1470 | $2030-3360 | $3990-6650+ |
See Some Art

Dive into Ontario’s burgeoning art scene and let your imagination soar. While not as widely known for its galleries as some major metropolises, Ontario boasts a surprising array of artistic expression, particularly at the Ontario Museum of History & Art. This charming cultural hub often hosts rotating exhibits featuring local and regional artists, showcasing everything from contemporary pieces to historical works that reflect the Inland Empire’s unique heritage. You can expect to see vibrant paintings, intricate sculptures, and thought-provoking installations that tell stories of the community and beyond.
Itβs a wonderful opportunity to support local talent and discover new perspectives. Best visited on a weekday morning to avoid any potential school groups, exploring the art here offers a quiet, contemplative escape. This attraction is perfect for solo travelers seeking inspiration, couples looking for a cultural date, or families introducing children to the world of art in an accessible setting. The museum itself is housed in a beautiful historic building, adding to the charm and providing a sense of place as you wander through its halls.
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Go Museum Hopping

Embark on a captivating journey through time and culture by museum hopping in Ontario. Beyond the art displays, the Ontario Museum of History & Art offers fascinating insights into the region’s past, from its agricultural roots to its development into a modern city. Just a short drive away, you can also immerse yourself in the unique history of the Graber Olive House, a working olive processing facility that doubles as a living museum, showcasing generations of olive cultivation. Imagine walking through historic buildings, seeing antique machinery, and learning about the industrious spirit that shaped the area.
This two-pronged approach to museum hopping allows you to delve into both the broader civic history and a very specific, beloved local industry. It’s a fantastic way to spend a leisurely day, piecing together the story of Ontario. This experience is ideal for history buffs, curious families, and anyone who appreciates understanding the unique heritage of a place. You will gain a deeper appreciation for the community and its pioneering spirit.
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Eat Some Olives

Prepare your taste buds for a truly unique local experience: eating some olives at the historic Graber Olive House. This isn’t just about snacking; it’s about connecting with a century-old tradition. Established in 1894, the Graber Olive House has been producing some of California’s finest table olives for generations. When you visit, you’ll have the opportunity to take a self-guided tour through their original facilities, witnessing the traditional methods of olive curing and packing that have remained largely unchanged for decades.
The air is often filled with the earthy aroma of olives, creating an immersive sensory experience. Of course, the highlight is the chance to taste their renowned “tree-ripened” olives, known for their rich, buttery flavor, directly from the source. You can purchase various olive products, olive oil, and other gourmet goods in their charming gift shop. This is a must-do for foodies, history enthusiasts, and anyone seeking an authentic taste of Ontario’s agricultural heritage. Itβs a delicious and educational outing for all ages.
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4.Β Get in Some Shopping

Indulge your retail therapy cravings and get in some serious shopping at Ontario Mills, one of California’s largest outlet and value retail destinations. This sprawling indoor-outdoor mall offers an unparalleled shopping experience with over 200 stores, ranging from high-end fashion brands like Coach and Michael Kors to popular retailers such as Nike, H&M, and Forever 21. Beyond clothing, youβll find electronics, home goods, and specialty stores, ensuring thereβs something for everyone.
With its unique racetrack layout, navigating the mall is a breeze, allowing you to hit all your favorite shops efficiently. You can expect to find great deals and discounts, making it a budget-friendly way to update your wardrobe or find that perfect souvenir. Ontario Mills is a shopperβs paradise, ideal for families, groups of friends, or solo travelers looking to snag a bargain. Plan to spend several hours here, as the sheer size and variety of stores will keep you busy.
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Get Some Sun

Soak up the glorious Southern California sunshine and enjoy a day outdoors at Cucamonga-Guasti Regional Park. This expansive regional park is a true oasis, offering a refreshing escape with its two beautiful lakes, sandy beaches, and vast grassy areas perfect for picnics and relaxation. You can rent paddle boats or aqua cycles to glide across the water, or simply lay out on the “beach” and bask in the warm rays.
For families, there are splash pads and playgrounds, ensuring kids have plenty of space to run and play. The park also features plenty of shaded picnic areas with barbecues, making it an ideal spot for a leisurely lunch. Whether you’re looking to read a book by the lake, enjoy a family barbecue, or simply get some Vitamin D, Cucamonga-Guasti Regional Park provides the perfect setting. Itβs an excellent choice for families, groups, or anyone craving a peaceful day under the California sun.
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Hit the Golf Course

For golf enthusiasts, hitting the golf course in Ontario is a fantastic way to enjoy the region’s beautiful weather and scenic landscapes. Whispering Lakes Golf Course, a local favorite, offers a challenging yet enjoyable 18-hole championship course designed to test players of all skill levels. With its well-maintained greens, mature trees, and strategically placed water features, the course provides a picturesque setting for a round of golf. You can expect a relaxed atmosphere, friendly staff, and the opportunity to hone your swing while enjoying the fresh air.
The course often has a gentle breeze, making even warmer days comfortable for play. Whether you’re a seasoned pro or just looking to enjoy a casual game with friends, Whispering Lakes provides an excellent golfing experience. It’s perfect for golf lovers, groups of friends, or even solo players looking to practice their game. Consider booking a tee time in advance, especially on weekends.
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Go Hiking

Lace up your hiking boots and hit the trails at the stunning North Etiwanda Preserve, a natural gem nestled at the base of the San Gabriel Mountains. This beautiful preserve offers a network of well-maintained trails that wind through native chaparral and oak woodlands, leading to breathtaking panoramic views of the entire Inland Empire. The highlight for many is the paved trail that leads to the historic Etiwanda Falls, a seasonal waterfall that cascades down a rocky outcrop, providing a serene and picturesque reward for your efforts.
You can expect a moderate hike, suitable for most fitness levels, with plenty of opportunities for birdwatching, photography, and simply connecting with nature. Itβs a peaceful retreat from the urban bustle, offering fresh air and stunning vistas. This is an ideal activity for nature lovers, active families, solo adventurers, and anyone looking for a refreshing outdoor workout. Remember to bring plenty of water, especially during warmer months.
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Treat Yourself

Treat yourself to an indulgent experience by booking a luxurious spa day at The Mission Inn Hotel & Spa in nearby Riverside, a historic landmark renowned for its opulent architecture and world-class amenities. While not directly in Ontario, it’s a short, scenic drive away and offers an unparalleled “treat yourself” experience that truly elevates your visit. The hotel’s Kelly’s Spa provides a sanctuary of relaxation, offering a wide array of services including rejuvenating massages, purifying facials, and invigorating body treatments.
Imagine unwinding in their serene relaxation lounges, enjoying the tranquil ambiance, or taking a dip in their beautiful pool areas. Beyond the spa, you can explore the stunning grounds of the historic Mission Inn, dine at one of its exquisite restaurants, or simply soak in the grandeur of its Spanish Colonial Revival architecture. This is the ultimate splurge for couples seeking a romantic escape, solo travelers needing profound relaxation, or anyone celebrating a special occasion.
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Visit a Botanical Garden

Immerse yourself in the serene beauty of nature by visiting the California Botanic Garden, formerly known as Rancho Santa Ana Botanic Garden, located just a short drive from Ontario in Claremont. This magnificent garden is dedicated exclusively to California native plants, showcasing the incredible diversity and beauty of the state’s flora across 86 acres. You will discover a myriad of landscapes, from desert and chaparral to oak woodlands and redwood groves, all meticulously curated to reflect California’s distinct ecological regions.
Stroll along peaceful pathways, admire vibrant wildflowers (especially in spring), and spot various bird species that call the garden home. Itβs a truly educational and tranquil experience, offering a deep appreciation for the unique plant life of the Golden State. This garden is ideal for nature enthusiasts, photographers, families looking for an educational outing, and anyone seeking a peaceful escape from the urban environment. Allow ample time to explore its winding trails.
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Dine in History

Dine in history and savor a meal at the iconic Sycamore Inn Steakhouse, a landmark restaurant located just outside Ontario in Rancho Cucamonga. With a history dating back to 1848, this venerable establishment has served as a stagecoach stop, a general store, and finally, a renowned steakhouse. Walking through its doors feels like stepping back in time, with its charming rustic decor, cozy fireplaces, and walls adorned with historical photographs. You can expect a classic American steakhouse experience, featuring perfectly cooked prime steaks, fresh seafood, and an extensive wine list.
The ambiance is elegant yet inviting, making it perfect for a special occasion or a memorable evening out. Dining here isn’t just about the food; it’s about soaking in the rich heritage and imagining the countless stories these walls could tell. This is an excellent choice for couples, history buffs, or anyone looking for a sophisticated and unique dining experience. Reservations are highly recommended.
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See an Arena Show

Experience the thrill and excitement of a live performance by seeing an arena show at the Toyota Arena. This state-of-the-art multi-purpose venue is the premier entertainment destination in the Inland Empire, regularly hosting a diverse array of events. You can catch major touring concerts from world-renowned artists, high-energy sporting events like hockey or basketball games, spectacular family shows, and thrilling monster truck rallies.
The arena boasts excellent acoustics, comfortable seating, and modern facilities, ensuring a top-notch viewing experience no matter where you sit. Attending a show here is an electric experience, filled with the roar of the crowd, dazzling lights, and unforgettable moments. Itβs perfect for music lovers, sports fanatics, families looking for entertainment, or anyone seeking a lively night out. Check their official schedule well in advance, as popular events sell out quickly.
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Shop in the Sun

Combine the joy of shopping with the pleasure of California’s abundant sunshine by visiting Victoria Gardens in Rancho Cucamonga. This unique outdoor lifestyle center offers a refreshing alternative to traditional enclosed malls, with its beautifully landscaped promenades, charming storefronts, and open-air ambiance. You can browse a wide array of popular retailers, boutiques, and specialty shops, all while enjoying the fresh air and sunshine.
Beyond shopping, Victoria Gardens features a central town square where events are often held, a children’s play area, and a variety of dining options ranging from casual cafes to upscale restaurants. Itβs an ideal spot for a leisurely afternoon, whether you’re looking for new fashion, home decor, or just a pleasant place to stroll and people-watch. This destination is perfect for families, couples, or solo travelers who enjoy a more relaxed and scenic shopping experience.
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Take Flight!

Experience the thrill of “Take Flight!” by booking an introductory flight lesson at a local flight school near Ontario International Airport (ONT). This isn’t just about watching planes; it’s about getting hands-on control! Many flight schools in the area offer discovery flights, where you’ll sit in the cockpit with a certified instructor, learn the basics of flight controls, and even get to steer the aircraft yourself for a portion of the flight. Imagine soaring above the Inland Empire, taking in panoramic views of the mountains, valleys, and the sprawling cityscape from a unique vantage point.
Itβs an exhilarating and unforgettable experience that offers a taste of aviation. This adventure is perfect for thrill-seekers, aspiring pilots, or anyone looking for a truly unique and memorable activity. Itβs a fantastic gift idea or a bucket-list item to check off. Be sure to book in advance, as instructors’ schedules can fill up quickly.
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Take a Stroll

Take a leisurely stroll through the historic heart of Downtown Ontario, particularly along the iconic Euclid Avenue. This grand, tree-lined boulevard, designed by the city’s founders, is unique with its wide median that once hosted railway tracks and now features a beautiful linear park. As you walk, you’ll encounter charming historic buildings, local businesses, and public art installations that tell the story of Ontario’s past.
You can expect a relaxed pace, perfect for soaking in the local atmosphere, admiring the architecture, and discovering hidden gems. The area also hosts various community events, especially on weekends. It’s a wonderful opportunity to enjoy the California sunshine, get some fresh air, and connect with the authentic spirit of the city. This stroll is ideal for solo travelers seeking a quiet exploration, couples enjoying a romantic walk, or families looking for a gentle outdoor activity with a touch of history.
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See the Historic John Rains House

Step back in time and explore the fascinating history of the region by visiting the Historic John Rains House. Located in nearby Rancho Cucamonga, this beautifully preserved adobe ranch house dates back to 1860 and offers a rare glimpse into 19th-century Southern California life. John Rains, a prominent cattle rancher, built this home which quickly became a social hub and a symbol of wealth and influence in the burgeoning agricultural community.
When you tour the house, you’ll see period furnishings, learn about the Rains family, and discover the challenges and triumphs of early settlers. The surrounding grounds also offer a sense of the vast rancho that once existed. It’s a poignant reminder of the area’s rich past and its transformation from vast ranchlands to a bustling modern region. This attraction is perfect for history enthusiasts, families interested in local heritage, and anyone looking for a quiet, educational outing.
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Plan Your Visit
Ontario, California, truly defies expectations, revealing itself as a destination brimming with diverse attractions and experiences just waiting to be discovered. From immersing yourself in local art and history at the Ontario Museum of History & Art to indulging in retail therapy at Ontario Mills, or finding serene moments at the California Botanic Garden, thereβs an adventure for every taste. You’ve seen how easily you can transition from a thrilling introductory flight to a peaceful stroll down historic Euclid Avenue, or from a challenging round of golf to a luxurious spa day.
This guide has provided you with the practical insights and detailed cost information you need to plan your perfect trip, whether you’re on a budget or ready to splurge. Ontario’s blend of cultural richness, outdoor beauty, and entertainment options ensures that every day is filled with new possibilities. So, pack your bags, choose your adventure, and prepare to be charmed by the unexpected wonders of Ontario, California β your unforgettable journey starts now!