Road Trip Guide

Rim of the World Highway: San Bernardino Peaks

San Bernardino, CA to Big Bear Lake, CA

Start Your Engine

San Bernardino, CA

The Finish Line

Big Bear Lake, CA

45 miles

Miles

1 day

Days

1 min read
"The Rim of the World Highway is not merely a road; it is a legendary ribbon of asphalt that clings precariously to the precipice of the San Bernardino Mountains. As you depart the bustling urban sprawl of San Bernardino, you are immediately thrust into a dramatic vertical transformation. Highway 18β€”the backbone of this routeβ€”is a masterclass in engineering, winding through steep canyons and dense pine forests, offering sweeping, vertigo-inducing vistas of the Inland Empire far below. Historically known as a gateway for travelers seeking the crisp mountain air of Big Bear, the route is steeped in 20th-century nostalgia, reminiscent of classic California alpine getaways. As your altitude climbs, the sweltering heat of the valley floor surrenders to the cooling embrace of cedar, oak, and Ponderosa pines. You will navigate tight switchbacks that feel as though they are carved directly into the clouds, with the 'Rim' moniker perfectly describing the sensation of driving along the very edge of the earth. This road trip is a sensory experience: the scent of sun-warmed pine needles, the sharp drop-off of the valley vistas, and the quiet majesty of high-altitude lakes. Whether you are a thrill-seeking driver craving hairpin turns or a nature enthusiast yearning for the tranquil silence of the San Bernardino National Forest, this route offers a quintessential Southern California escape that feels worlds away from the coast. Prepare your camera, check your brakes, and get ready for a drive where every mile marker reveals a new perspective of the Golden State’s rugged, mountainous soul."

Start Stops End

Map of road trip from San Bernardino, CA to Big Bear Lake, CA

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Insider Driving Tips

01

Always check the Caltrans QuickMap before departing to ensure Highway 18 is clear of snow or maintenance closures, as mountain conditions change rapidly.

02

Engine braking is your best friend on the descent; shift into a lower gear to save your brakes from overheating on the steep, winding switchbacks.

03

Start your drive at sunrise to beat the weekend tourist traffic and experience the ethereal glow of the morning fog lifting off the valley floor.

04

Carry a physical map or download offline GPS data, as cell service becomes notoriously spotty once you gain elevation into the deep canyons.

05

If you suffer from motion sickness, take an anti-nausea preventative 30 minutes before departure; the constant turning of the Rim of the World Highway is legendary for its stomach-churning potential.

The Journey: Stop-by-Stop

45 minutes Segment

Crestline & Lake Gregory

As your first major milestone after the initial ascent, Crestline acts as the charming, forested portal to the San Bernardino Mountains. The air here is noticeably thinner and crisper, scented with the perfume of thousands of pine trees. Lake Gregory, the centerpiece of this stop, is a hidden gem of the mountain range. Unlike its larger, busier cousin in Big Bear, Lake Gregory offers a more intimate, community-driven atmosphere. You can spend hours walking the perimeter trail, which hugs the shoreline and offers stunning reflections of the surrounding forest. The area is dotted with quaint, historic cabins that evoke a sense of 1950s mountain leisure. It is the perfect place to stretch your legs after the intense concentration required for the lower switchbacks, offering a peaceful transition from the urban valley to the rugged wilderness. Whether you are watching the ducks glide across the glassy surface or grabbing a coffee in the village, Crestline sets the perfect, relaxed tempo for the rest of your high-altitude adventure.
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Roadside Eats

Lake Gregory Inn & Deli

β€œA classic spot for hearty sandwiches and fresh salads, perfect for a picnic by the water.”

Photo Ops
  • Lake Gregory Shoreline

    The north shore provides an unobstructed view of the water with the pine-covered hills rising dramatically in the background.

  • Crestline Village Main St

    Capture the vintage neon signs and rustic storefronts that give this mountain town its distinct character.

Hidden Gem

Heart Rock Trail

A short, moderate hike that leads to a natural rock formation shaped like a heart, with a seasonal waterfall cascading right next to it.

20 minutes Segment

The 'Rim of the World' Vista Point

This is the namesake stop of the entire journey. Located at a staggering elevation, this pull-out provides one of the most jaw-dropping panoramas in Southern California. From this vantage point, the entire Inland Empire stretches out like an infinite quilt of suburban lights, highways, and distant mountain ranges. On a clear day, the visibility is so immense that you can almost sense the curvature of the earth. The wind here is constant and cooling, a stark contrast to the stagnant heat of the basin below. It is a place that demands silenceβ€”a moment to reflect on the sheer scale of the landscape you have just conquered. Photographers flock here at golden hour, when the shadows lengthen across the valley floor and the sky shifts into shades of violet and burnt orange. It is not just a photo opportunity; it is a profound reminder of the geological forces that carved these massive peaks and the human ingenuity that built a road to traverse them.
Plan The 'Rim of the World' Vista Point:Booking.comViatorGetYourGuide
Roadside Eats

Rim of the World Cafe

β€œA cozy, unassuming roadside eatery serving up massive breakfast burritos that are essential fuel for mountain explorers.”

Photo Ops
  • The Main Lookout Railing

    The classic panoramic shot of the valley floor with the winding road visible below.

  • The Forest Edge

    A shot looking back toward the mountain peaks, capturing the dramatic contrast between the pines and the sky.

Hidden Gem

The Old Toll House Ruins

Tucked away near the vista, you can find the remnants of historical toll structures that once served early travelers to the mountains.

30 minutes Segment

Lake Arrowhead Village

Lake Arrowhead Village is the sophisticated, alpine cousin to the other mountain towns. Modeled after a European lakeside resort, the village features charming architecture, upscale boutiques, and a stunning waterfront promenade. The lake itself is a private reservoir, giving it a pristine, undisturbed quality that is hard to find elsewhere. You can take a boat tour on the 'Arrowhead Queen' to learn about the history of the lake and the celebrity homes that line its shores. The village is bustling with energy, offering everything from artisan chocolate shops to high-end mountain apparel. It is the ideal place to stop for a mid-trip lunch, allowing you to sit on a deck overlooking the water while the mountain breeze keeps you cool. The contrast between the deep blue of the lake and the vibrant green of the surrounding forest makes this one of the most photogenic stops on the entire route, providing a sense of luxury amidst the rugged wilderness.
Plan Lake Arrowhead Village:Booking.comViatorGetYourGuide
Roadside Eats

Belgian Waffle Works

β€œFamous for their massive, crispy Belgian waffles topped with fresh fruit and whipped cream, served right on the water.”

Photo Ops
  • The Lake Arrowhead Pier

    The perfect spot for a long-exposure shot of the water reflecting the mountain cabins at sunset.

  • Village Clock Tower

    The iconic centerpiece of the village, providing a European-style aesthetic for your travel feed.

Hidden Gem

Grass Valley Park

A secluded, quieter area of the lake perfect for bird watching and enjoying a more private moment away from the village crowds.

45 minutes Segment

Big Bear Lake

You have reached the summitβ€”the crowning jewel of the San Bernardino Mountains. Big Bear Lake is a year-round paradise that shifts seamlessly from a winter wonderland of world-class skiing to a summer playground of mountain biking, hiking, and water sports. The town itself has a distinct, rustic charm, with timber-framed buildings, local breweries, and a vibrant arts scene. As you arrive, the massive expanse of the lake opens up before you, surrounded by the towering peaks of the San Bernardino National Forest. Whether you choose to rent a kayak and paddle the quiet coves, explore the alpine trails of the Snow Summit area, or simply wander through the Village shops, the energy here is infectious. It is the ultimate destination for those who want to disconnect from the digital world and reconnect with the outdoors. The crisp, thin air and the scent of Jeffrey Pine provide a refreshing tonic that makes the long, winding drive up the Rim of the World feel like an incredibly rewarding pilgrimage.
Roadside Eats

The Old Country Inn

β€œAn authentic, hearty German-inspired restaurant that feels like a warm hug after a long day of exploring.”

Photo Ops
  • Boulder Bay Park

    Huge granite boulders scattered along the shoreline provide a quintessential Big Bear photo backdrop.

  • Snow Summit Sky Chair

    Take the lift up for an aerial perspective of the lake and the dense forest canopy.

Hidden Gem

Castle Rock Trail

A challenging but short hike that rewards you with an incredible rock formation and a bird's-eye view of the entire lake basin.

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Frequently Asked Questions

The road is well-maintained, but it is steep and very winding. If you are nervous, take your time, use pull-outs to let faster traffic pass, and avoid driving at night during your first trip.

During the winter months (November to April), you are legally required to carry tire chains in your vehicle when traveling through the San Bernardino Mountains, even if you have 4WD.