San Bernardino National Forest wilderness guide
National Forest · CA

San Bernardino National Forest

San Bernardino National Forest is a diverse expanse of mountainous wilderness offering abundant recreational opportunities from hiking to skiing, just a short drive from Southern California's urban areas.

National Forest823,8164+ Trails

Designation

National Forest

Total Wilderness Area

823,816

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About San Bernardino National Forest

San Bernardino National Forest is a diverse expanse of mountainous wilderness offering abundant recreational opportunities from hiking to skiing, just a short drive from Southern California's urban areas.

Wilderness Landscape & Natural Heritage

San Bernardino National Forest spans over 800,000 acres in Southern California, encompassing the San Bernardino Mountains and parts of the San Jacinto Mountains. Known for its striking landscapes, the forest features rugged peaks, extensive pine woodlands, and desert landscapes, all contributing to varied ecosystems. Established in 1907, its history is marked by conservation endeavors and the development of recreational facilities. Visitors can enjoy activities such as hiking on over 500 miles of trails, camping, mountain biking, fishing, and winter sports. Highlights include the scenic Big Bear Lake, the grandeur of San Gorgonio Mountain—the tallest peak in Southern California, and the wildflower-rich Santa Rosa and San Jacinto Mountains National Monument. The forest's accessibility and proximity to major urban centers enhance its appeal as a year-round outdoor destination.

Exploring the Wilderness: A Guide to San Bernardino National Forest

Located just a stone's throw from Southern California's bustling urban centers, the San Bernardino National Forest offers an expansive wilderness for adventurers to explore. Spanning over 800,000 acres, this National Forest combines the grandeur of rugged mountain peaks with the serene beauty of pine woodlands and arid desert landscapes, each contributing to a mosaic of diverse ecosystems. Since its establishment in 1907, San Bernardino has continued to evolve, rooting its history in a rich tradition of conservation and adventurous recreation.

The allure of the forest is as much in its accessibility as it is in its varied offerings. With more than 500 miles of trails snaking through the forest, hiking enthusiasts will find paths ranging from the leisurely to the formidable. For those who yearn to conquer heights, the San Gorgonio Peak via Vivian Creek Trail offers an 18-mile challenge to Southern California’s tallest summit. This arduous trek rewards with sweeping panoramas that capture the region’s inherent beauty, a testament to the landscape's scale and diversity.

If tranquil afternoons near water are more your speed, Big Bear Lake is a destination not to be missed. Known for its serene beauty and opportunities for boating and fishing, the lake is a picturesque retreat and a perfect place for paddle sports. At the Santa Rosa and San Jacinto Mountains National Monument, visitors are greeted with rich biodiversity and desert vistas that stretch beyond the horizon, offering a more intimate look at the natural wonders that define this region.

Planning a visit to San Bernardino National Forest ensures more than just a communion with nature; it demands preparation and awareness. High altitude hikers should consider layered clothing as temperatures fluctuate throughout the day. Reservations are a must for popular campsites, such as Serrano Campground near Big Bear Lake or Barton Flats Campground, which serve as excellent bases for exploring nearby trails or the Santa Ana River.

Adventurers seeking variety in their outdoor pursuits will find a plethora of activities to indulge in. The forest hosts everything from heart-pounding mountain biking excursions, wildlife viewing escapades, to the serene art of photography, capturing not just landscapes but memories. Winter transforms the forest into a haven for snow sports enthusiasts, with opportunities for skiing and snowshoeing.

While no fee is generally required for entrance, some areas may need a pass, so it's wise to check ahead. A visit during spring or fall provides mild weather, ideal for trails and outdoor activities, whereas winter draws those eager to experience snow-laden adventures. Accessibility via Highways 18, 38, and 330 makes the forest easy to reach, though some roads may close in winter due to snow conditions.

The forest's proximity to towns like Big Bear Lake and Idyllwild offers not just nearby amenities but also respite after days spent in the wilderness. However, it’s crucial to be aware of the forest's challenges, such as the threat of wildfires and invasive species affecting flora and fauna. Through ongoing conservation efforts, San Bernardino National Forest remains a testament to the resilience and beauty of the natural world, ensuring that its landscapes and vistas continue to inspire adventurers for generations to come.

Field Guide · National Forest
Adventure Destinations

Notable Destinations Near San Bernardino National Forest

Scenic viewpoints, outdoor landmarks, and notable points of interest within 60 miles.

Key Wilderness Highlights

✦ San Gorgonio Mountain✦ Santa Rosa and San Jacinto Mountains National Monument✦ Big Bear Lake✦ San Jacinto Peak
Wilderness Recreation

Outdoor Adventures in San Bernardino National Forest

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

Park Recreation

Hiking

Available in San Bernardino National Forest
Park Recreation

Camping

Available in San Bernardino National Forest
Park Recreation

Wildlife Viewing

Available in San Bernardino National Forest
Park Recreation

Mountain Biking

Available in San Bernardino National Forest
Park Recreation

Fishing

Available in San Bernardino National Forest
Park Recreation

Paddle Sports

Available in San Bernardino National Forest
Park Recreation

Snow Sports

Available in San Bernardino National Forest
Park Recreation

Climbing

Available in San Bernardino National Forest
Park Recreation

Scenic Drives

Available in San Bernardino National Forest
Park Recreation

Photography

Available in San Bernardino National Forest
The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in San Bernardino National Forest.

Passes & Fees

Entrance Requirements & Interagency Passes

No fee required for general access; some areas may require passes.

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Wilderness Stays

Camping & Overnight Stays in San Bernardino National Forest

Frontcountry developed campgrounds, backcountry wilderness permit guidelines, and starry-night camping advice.

Adventure Basecamps

Gateway Towns Near San Bernardino National Forest

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Big Bear Lake, California
⌖ 4.01 miles
Gateway Basecamp

Big Bear Lake, California

Big Bear Lake is a dynamic alpine destination perfect for hiking, mountain biking, and kayaking. With its serene waters and surrounding peaks, it’s an adventure playground for all seasons.

Spring and Summer
Explore Town
Big Bear, California
⌖ 5.14 miles
Gateway Basecamp

Big Bear, California

Big Bear, CA is a vibrant mountain getaway ideal for outdoor lovers. With hiking, mountain biking, skiing, and fishing, it offers year-round excitement nestled in a beautiful alpine setting.

Year-round, with specific activities suited to summer and winter
Explore Town
Fawnskin, California
⌖ 5.18 miles
Gateway Basecamp

Fawnskin, California

Fawnskin, CA, is a quiet mountain town on Big Bear Lake’s northern shore, perfect for hiking, mountain biking, paddling, and fishing year-round. Its laid-back vibe and access to alpine trails and lake adventures make it a unique outdoor destination.

Spring through Fall, with winter for snow sports
Explore Town
Angelus Oaks, California
⌖ 11.43 miles
Gateway Basecamp

Angelus Oaks, California

Angelus Oaks is a mountain retreat offering adventures like hiking, mountain biking, and fishing. With access to the San Bernardino National Forest and less crowded trails, it's ideal for peaceful outdoor exploration.

Spring and Fall
Explore Town
Green Valley Lake, California
⌖ 13.17 miles
Gateway Basecamp

Green Valley Lake, California

Green Valley Lake is a tranquil mountain town centered around a serene alpine lake, perfect for hiking, fishing, paddleboarding, and snowshoeing amid towering pines and fresh mountain air.

Late Spring through Early Fall, Winter for snow activities
Explore Town
Forest Falls, California
⌖ 13.61 miles
Gateway Basecamp

Forest Falls, California

Forest Falls, CA, is a quiet mountain town perfect for hikers and nature lovers seeking waterfalls and forest trails in the San Bernardino Mountains. With camping, fishing, and biking nearby, it’s a great spot for a peaceful outdoor escape.

Spring through Fall
Explore Town
Expert-Led Wilderness Expeditions

Guided Experiences in San Bernardino National Forest

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.

Roar Across Big Bear: Sea-Doo Rentals from Fawnskin
ADVEXPEDITION
Fawnskin, California
Jet Ski RentalADV Bookable

Roar Across Big Bear: Sea-Doo Rentals from Fawnskin

High-performance Sea-Doos, instruction, fuel and life jackets are provided so you can explore Big Bear Lake at your own pace; this guide explains what’s included, the available rental durations and what to expect on the water.

Jet Ski RentalPT2HCertified Outfitter
Bookable OnlineBook Trip
A Compact Bunkhouse Built for Big Bear: The 26' Forest River Evo
ADVEXPEDITION
Big Bear, California
RentalsADV Bookable

A Compact Bunkhouse Built for Big Bear: The 26' Forest River Evo

A modern, non‑slideout 26' bunkhouse rental in Big Bear with front queen, double-over-double bunks and free local delivery — this guide distills the vehicle's layout, amenities, and practical booking facts.

RentalsPT2HCertified Outfitter
Bookable OnlineBook Trip
Roomy, Refined Days on Big Bear Lake: The Large Luxury Pontoon
ADVEXPEDITION
Big Bear Lake, California
Boat RentalADV Bookable

Roomy, Refined Days on Big Bear Lake: The Large Luxury Pontoon

A focused guide to Pleasure Point Marina’s Large Luxury pontoon rental on Big Bear Lake—what the boat offers, the operator’s rules, and how to plan a comfortable day on the water.

Boat RentalPT2HCertified Outfitter
Bookable OnlineBook Trip
John Bull Jr.: A 3.5‑Hour Jeep Charge Through Big Bear’s Backcountry
ADVEXPEDITION
Big Bear Lake, California
JeepADV Bookable

John Bull Jr.: A 3.5‑Hour Jeep Charge Through Big Bear’s Backcountry

A 3.5-hour Jeep trail near Big Bear Lake operated by Big Bear Off-Road Experience that delivers technical obstacles, a steep hill climb and descent, and scenic backcountry photo opportunities—useful for planning a half‑day family outing and sharpening driving skills.

JeepPT2HCertified Outfitter
Bookable OnlineBook Trip