Driving in Angeles National Forest during winter often requires tire chains due to snowy and icy conditions. The forest’s high elevation and unpredictable weather make chain requirements common on roads like State Routes 2 and 39. All vehicles, including four-wheel and all-wheel drive, must carry chains when entering chain-control zones. Understanding when and where to use chains is crucial for safe winter travel in the forest.
What Are the Tire Chain Requirements for Angeles National Forest?

Angeles National Forest enforces strict tire chain requirements during winter months:
- Legal Mandate: California Vehicle Code, Section 605 requires all vehicles to carry chains or cables in chain-control zones.
- Chain Control Levels:
- R-1: Chains required on all vehicles except those with snow tires on drive wheels.
- R-2: Chains required on all vehicles except 4WD/AWD with snow tires on all wheels.
- R-3: Chains required on all vehicles, no exceptions.
- Applicability: Requirements apply to all vehicles, regardless of drive type.
When Do I Need to Use Chains in Angeles National Forest?

Chain usage in Angeles National Forest depends on several factors:
- Weather Conditions: Chains are typically required during or after snowfall.
- Road Signs: Look for posted signs indicating chain requirements.
- Elevation: Higher elevations are more likely to require chains.
- Gate System: Roads like SR-2 and SR-39 use gates that close at certain elevations based on snowfall.
Always check current conditions before your trip, as requirements can change rapidly.
Where Can I Get Chains for Angeles National Forest?
Several options exist for obtaining chains:
- Purchase: Auto parts stores, tire shops, and some general retailers sell chains.
- Rental: Many locations near the forest offer chain rentals.
- Pricing:
- Rentals: $40-$65 per day
- Purchase: $50-$200, depending on quality and vehicle type
It’s advisable to acquire chains before reaching the forest to ensure proper fit and functionality.
How Do I Install Chains in Angeles National Forest?
Proper chain installation is crucial for safety:
- Location: Install chains in designated areas, completely off the roadway.
- Practice: Familiarize yourself with installation before your trip.
- Tools: Bring gloves and a flashlight for easier installation.
- Speed: Once installed, maintain speeds of 25-30 mph or as posted.
What Happens If I Don’t Use Chains When Required?
Failing to use chains when required can lead to serious consequences:
- Legal Penalties: Fines and citations from California Highway Patrol.
- Safety Risks: Increased chance of accidents or getting stranded.
- Road Closure: You may be denied access to certain areas of the forest.
Always comply with posted signs and official instructions to avoid these issues.
Are There Exceptions to Chain Requirements in Angeles National Forest?
While chain requirements are generally strict, some exceptions exist:
- Snow Tires: In R-1 conditions, vehicles with snow tires on drive wheels may be exempt.
- 4WD/AWD Vehicles: In R-2 conditions, these vehicles with snow tires on all wheels may be exempt.
- No Exceptions: In R-3 conditions, all vehicles must use chains.
Always carry chains regardless of your vehicle type, as conditions can change rapidly.
How Can I Stay Updated on Chain Requirements in Angeles National Forest?
Staying informed about current conditions is essential:
- CalTrans QuickMap: Provides real-time road conditions and chain requirements.
- Social Media: Follow CalTrans and Angeles National Forest accounts for updates.
- Local Resources: Check with nearby businesses like Crystal Lake Cafe for current information.
- Forest Service Website: Offers general information and alerts.
What Other Winter Driving Tips Should I Know for Angeles National Forest?
Safe winter driving in Angeles National Forest involves more than just chains:
- Vehicle Preparation:
- Ensure your vehicle is in good condition
- Check battery, wipers, and antifreeze levels
- Keep your gas tank at least half full
- Emergency Kit:
- Include blankets, food, water, and a first-aid kit
- Bring a shovel and sand or kitty litter for traction
- Driving Techniques:
- Accelerate and decelerate slowly
- Increase following distance
- Avoid sudden movements
What Are the Key Roads Affected by Chain Requirements in Angeles National Forest?
The main roads subject to chain controls are:
- State Route 2 (SR-2):
- Often closed between Islip Saddle and Big Pines during snow season
- Chain requirements common at higher elevations
- State Route 39 (SR-39):
- Subject to gate closures based on snowfall
- Chain requirements vary with elevation and weather
Always check current road status before your trip, as closures can occur with little notice.
By understanding and following chain requirements, you can safely enjoy the winter beauty of Angeles National Forest. Remember to always prioritize safety and be prepared for changing conditions.
References:
1. Chain Controls / Chain Installation – Caltrans – CA.gov
2. Truck Chain Requirements | Caltrans – CA.gov
3. Going To The Angeles National Forest In Snow Season