Origin
Happy Valley, OR
Late night in Happy Valley on Saturday
Local time
5:26 AM
PDT
Current temp
49°F
Unavailable
Live forecast
Trip from Happy Valley, OR to Lake Oswego, OR
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
27m
Distance
13.9 mi
22 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 25m
★
6 AM
0h 27m
8 AM
0h 32m
10 AM
0h 29m
12 PM
0h 28m
3 PM
0h 29m
5 PM
0h 32m
8 PM
0h 26m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Happy Valley, OR
damien Saillet
Lake Oswego, OR
Wikimedia Commons
Trip Overview
The drive from Happy Valley, OR to Lake Oswego, OR covers 13.9 miles and takes about 27m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Southeast King Road, Southeast 129th Avenue, Southeast 122nd Avenue for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $2.77 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 27m. Total distance: 13.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
27m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 27m drive with frequent turns across 13.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Southeast King Road is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive.
Driving Effort
1/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Happy Valley, OR to Lake Oswego, OR is easy. At 27m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Happy Valley, OR to Lake Oswego, OR is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Southeast King Road | — | — |
| Southeast 129th Avenue | — | — |
| Southeast 122nd Avenue | — | — |
| Southeast Sunnyside Road | — | — |
| Southeast Sunnybrook Boulevard | — | — |
| I 205 South | — | — |
| OR 43 | — | — |
| Willamette Drive | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Southeast King Road
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Happy Valley, OR and Lake Oswego, OR.
1
Start on Southeast Mount Scott Boulevard
59 ft
·
9 sec
·
Southeast Mount Scott Boulevard
2
Turn sharp left onto Southeast King Road
157 ft
·
4 sec
·
Southeast King Road
3
Enter the roundabout and take exit 2 toward Southeast 129th Avenue
138 ft
·
3 sec
·
Southeast 129th Avenue
4
Exit the roundabout onto Southeast 129th Avenue
0.8 mi
·
1 min
·
Southeast 129th Avenue
5
Continue on Southeast 122nd Avenue
0.5 mi
·
1 min
·
Southeast 122nd Avenue
6
Turn right onto Southeast Sunnyside Road
0.8 mi
·
1 min
·
Southeast Sunnyside Road
7
Turn left onto Southeast Sunnybrook Boulevard
0.8 mi
·
1 min
·
Southeast Sunnybrook Boulevard
8
Turn left onto I 205 South: Oregon City
0.3 mi
·
36 sec
·
I 205 South: Oregon City
9
Merge slight left
5.0 mi
·
6 min
10
Take the exit slight right toward OR 43: West Linn, Lake Oswego
0.2 mi
·
26 sec
·
OR 43: West Linn, Lake Oswego
11
Turn right onto Willamette Drive
3.0 mi
·
6 min
·
Willamette Drive
12
Continue on Pacific Highway
1.4 mi
·
3 min
·
Pacific Highway
13
Continue on South State Street
0.6 mi
·
1 min
·
South State Street
14
Turn left onto A Avenue
0.4 mi
·
1 min
·
A Avenue
15
Turn right
213 ft
·
16 sec
16
Arrive at your destination
Fuel & Cost
Regular Gas
$2.77 one way
$5.54 round trip
$5.06/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.36 | $2.93 | $5.86 |
| premium | $5.59 | $3.06 | $6.12 |
| diesel | $5.61 | $3.07 | $6.14 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$3
Estimated CO2 emission: 4.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.2 | 0 | $1.46 | $0.67 |
| Efficient EV | 3.5 | 0 | $1.22 | $0.56 |
| EV Truck/SUV | 5.6 | 0 | $1.95 | $0.89 |
Gas CO2
5 kg
EV CO2
2 kg (60% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Destination
Lake Oswego, OR
Late night in Lake Oswego on Saturday
Local time
5:26 AM
PDT
Current temp
60°F
Unavailable
Live forecast
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
11 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
27m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Happy Valley, OR to Lake Oswego, OR covers 13.9 miles and takes about 27m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Southeast King Road, Southeast 129th Avenue, Southeast 122nd Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 6.9 miles from Happy Valley, OR. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.77 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
The drive from Happy Valley, OR to Lake Oswego, OR is easy. At 27m with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from Happy Valley, OR to Lake Oswego, OR is straightforward, with well-signed roads and simple exits.
The route from Happy Valley, OR to Lake Oswego, OR does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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