Lake Arrowhead to Fremont is 426.7 miles and takes about 8h 10m via Westside Freeway, Foothill Freeway, and CA 152, with a fuel budget near $97 and enough daylight to finish in a day. This trip travels between two Pacific Coast regions within California, covering mostly highway miles. Given the 8-hour drive time, it's a solid option for a single-day push if you start early, or a relaxed overnight if you prefer to break it up. Plan for a substantial amount of time on the road, making it a practical choice for efficient travel.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
213.3 miles from Lake Arrowhead, CA
A natural place for your longest stop of the day
, about 4h 8m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
182.5 mi
3h 15m
Foothill Freeway
76.3 mi
1h 28m
CA 152
41.1 mi
51m
I 5 Truck
37.1 mi
42m
Golden State Freeway
22.3 mi
25m
South Valley Freeway
19.9 mi
22m
Rim of the World Highway
16.1 mi
24m
Nimitz Freeway
13 mi
14m
Longest stretch:
Westside Freeway
— 182.5 mi, about 3h 15m
Traffic on I-5
Hour-of-day weekday pattern from 138 FHWA count stations on your route.
Peak
2 PM
~1,524 veh/hr typical
· worst 2,324
Quietest
2 AM
~316 veh/hr
Peak-to-quiet ratio
4.8×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 44 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Arrowhead, CA and Fremont, CA.
1
Start on Mittry Drive
207 ft·10 sec·Mittry Drive
2
Turn left onto CA 173
1.5 mi·2 min·CA 173
3
At end of road, turn right onto CA 18
16 mi·24 min·Rim of the World Highway
4
Continue on CA 18
2.1 mi·3 min·Waterman Avenue
Use the straight / right lanes.
5
Turn right onto CA 18
0.1 mi·18 sec·30th Street
Use the straight / right lanes.
6
Take the ramp
0.2 mi·30 sec
Toward CA 210 West: Los Angeles, RiversideUse the left / straight lanes.
7
Merge onto CA 210
24 mi·27 min·Foothill Freeway
Use the straight / slight right lanes.
8
Keep slight right at fork onto CA 210
1.2 mi·1 min·Foothill Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto CA 210
2.4 mi·2 min·Foothill Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto CA 210
1.4 mi·1 min·Foothill Freeway
Use the straight / slight right lanes.
11
Keep slight right at fork onto CA 210
1.8 mi·2 min·Foothill Freeway
Use the straight / slight right lanes.
12
Keep slight right at fork onto CA 210
20 mi·23 min·Foothill Freeway
Use the straight / slight right lanes.
13
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
14
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
15
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
16
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
17
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
18
Keep slight right at fork onto I 5
183 mi·3 hr 15 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
19
Take the exit
0.2 mi·26 sec
Exit 403BToward CA 152 West: Gilroy, Hollister, San Jose
20
Continue on CA 152; CA33
29 mi·33 min·CA 152; CA33
Use the straight lane.
21
Keep slight right at fork onto CA 152
12 mi·16 min·CA 152
22
Take the exit onto CA 152
0.5 mi·1 min·CA 152
Toward US 101 North: San Jose
23
Merge onto US 101; CA 152
20 mi·22 min·South Valley Freeway
Use the slight right lane.
24
Keep slight left at fork onto US 101
12 mi·14 min·US 101
Use the straight / slight right lanes.
25
Take the exit
0.2 mi·29 sec
Exit 388BToward I 880 North: OaklandUse the straight / slight right lanes.
26
Merge onto I 880
7.3 mi·8 min·Nimitz Freeway
Use the straight / slight right lanes.
27
Keep slight right at fork onto I 880
5.7 mi·6 min·Nimitz Freeway
Use the straight / slight right lanes.
28
Take the exit
0.3 mi·36 sec
Exit 17Toward Mowry Avenue, Central FremontUse the straight / slight right lanes.
29
Turn right onto Mowry Avenue
1.4 mi·2 min·Mowry Avenue
Use the right lane.
30
Arrive at destination
Mowry Avenue
Trip Plan
With an estimated 8h 10m driving time, this trip is best split over two days to avoid fatigue. Aim to depart early in the morning on your first day to cover a good portion of the 426.7 miles. Plan for at least two stops to refuel and stretch your legs, especially since the longest stretch without a significant change in road type is 182.5 miles. Keep an eye on your fuel gauge, as the estimated cost is $97 and stations can be spaced out on some highway segments. If you choose to drive it in one day, ensure you start before sunrise to maximize daylight hours.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 213.3 miles from Lake Arrowhead, CA, or about 4h 8m into the drive.
The longest continuous stretch on this route runs about 182.5 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 94 miles or 1h 56m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 213.3 miles or 4h 8m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 213.3 miles or 4h 8m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 6h 55m
Traffic, exits, and arrival timing usually matter more near Fremont, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Lake Arrowhead, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Lake Arrowhead, CA
Aim for roughly 213 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Fremont, CA
Aim for roughly 213 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 94 miles from Lake Arrowhead, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 182.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 26
5 decision points cluster between mile 19.9 and 425 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
19.9 mi into trip|~30m in
Take the ramp toward CA 210 West: Los Angeles, Riverside
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left / straight lanes.
Toward CA 210 West: Los Angeles, Riverside
8
70.8 mi into trip|~1h 29m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
7
155.9 mi into trip|~3h 7m in|I 5 / Westside Freeway
Keep slight right at fork onto I 5 / Westside Freeway toward I 5 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 5 North
7
411.8 mi into trip|~7h 51m in
Take the exit toward I 880 North: Oakland
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 388B
Toward I 880 North: Oakland
8
425 mi into trip|~8h 6m in
Take the exit toward Mowry Avenue, Central Fremont
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 17
Toward Mowry Avenue, Central Fremont
Fuel & Cost
Regular Gas
$89.27 one way
$178.54 round trip
$5.31/gal25.4 MPG avg149 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.52
$92.71
$185.43
premium
$5.67
$95.17
$190.34
diesel
$4.80
$80.57
$161.14
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$89
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$219–$329
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 149.3 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $45 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
128
1
$44.80
$20.48
Efficient EV
106.7
1
$37.34
$17.07
EV Truck/SUV
170.7
2
$59.74
$27.31
Gas CO2
149 kg
EV CO2
50 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 17, 2026
Origin
Lake Arrowhead, CA
Late night
in Lake Arrowhead on Monday
Local time
4:09 AM
PDT
Current temp
68°F
Mostly Clear
S 0 to 10 mph3% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Destination
Fremont, CA
Late night
in Fremont on Monday
Local time
4:09 AM
PDT
Current temp
56°F
Mostly Clear
WNW 5 to 10 mph1% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
12 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8h 10m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Santa Monica Mountains National Recreation Area
National Recreation Area
The Santa Monica Mountains offer easy access to surprisingly wild places. Experience the famous beaches of Malibu or explore more than 500 miles of trails. The park abounds with historical and cultura...
23 mi from route
~58 min detour
Free
near mile 103
Yes, we can! Widely recognized as the most important Latino leader in the United States during the twentieth century, Cesar Chavez led farm workers and supporters in the establishment of the country's...
28 mi from route
~69 min detour
Free
near mile 161.8
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on the Pacific Coast. Our 50-acre park has grown around Aquatic Park Cove, a protected area...
30 mi from route
~75 min detour
Free
near mile 426.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is 95% highway, meaning you'll spend most of your time cruising. The longest uninterrupted stretch is 182.5 miles on the Westside Freeway. You'll transition from highway to surface roads towards the end of your drive, likely around CA 152. Expect a lot of merging and exiting as you navigate through various populated areas.
95% highway — fuel and pacing are the main things to plan.
30 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 182.5 mi on Westside Freeway.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 19.9 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 26 significant decision points across 426.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 19.9 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 70.8 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 155.9 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
High-altitude sections with notable climbs
5,190 ft55 ft
Total Climb
2,582 ft
Total Descent
7,718 ft
Highest Point
5,190 ft
Elevation Range
5,136 ft
Notable High Points
2,721 ft at ~121.9 miles+1,339 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Lake Arrowhead, CA and Fremont, CA, road signs point toward Hollister and San Jose.
Lake Arrowhead is an unincorporated community in San Bernardino County, California. As a scenic mountain resort in the San Bernardino Mountains, Lake Arrowhead's economy is almost completely supported by tourism, both by casual vacationers and part-time residents.
Fremont is a suburban city in the southern part of the East Bay of the San Francisco Bay Area; it is the 4th largest city in the Bay Area by population. Fremont is in the southern part of Alameda County, California, between Union City to the north, Sunol and the hills to the east, Milpitas and Santa Clara County to the south, and the San Francisco Bay to the west. The city of Newark, near the edge of the Bay, is surrounded by the city of Fremont.
Fremont industry is not particularly large relative to other parts of the Bay Area, but neither is it a bedroom community. Many people in Fremont work locally in the electronics and high-tech industry, while many others commute to Silicon Valley or San Francisco locations for work.
Top landmarks
•Mission San José — 18th-century Spanish mission in Fremont, California
•Ardenwood Historic Farm — human settlement in California, United States of America
•Niles Depot Museum — railway museum in Niles, California
The longest stretch is about 182.5 miles on Westside Freeway. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 213 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Fremont, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 19.9 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 70.8 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 155.9 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Santa Monica Mountains National Recreation Area, César E. Chávez National Monument and San Francisco Maritime National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.2 hours each way, a round trip means 16.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Fremont, CA before the return drive.
