Origin
San Antonio, TX
Evening in San Antonio on Friday
Local time
8:51 PM
CDT
Current temp
77°F
Unavailable
Live forecast
Trip from San Antonio, TX to Canyon Lake, TX
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
1h 2m
Distance
43.4 mi
70 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 57m
★
6 AM
1h 2m
8 AM
1h 12m
10 AM
1h 6m
12 PM
1h 5m
3 PM
1h 6m
5 PM
1h 12m
8 PM
0h 59m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
San Antonio, TX
Wikimedia Commons
Canyon Lake, TX
Artūras Kokorevas
Trip Overview
If you are looking for a quick getaway from San Antonio, the 43.4-mile trip to Canyon Lake is a straightforward excursion that takes about 1 hour and 2 minutes. Since both locations are situated within the Great Plains region of Texas, you will find a consistent landscape throughout the journey. This route is perfectly suited for a single-day trip, meaning you do not need to worry about booking overnight accommodations unless you prefer a longer stay. With an estimated fuel cost of just $6, it is an incredibly budget-friendly way to swap city life for the lake area. Because there are no required stops along the way, you have the flexibility to head straight to your destination or linger in San Antonio before you depart. It is a practical, no-fuss drive that keeps your travel time minimal.
About the Cities
Starting in San Antonio, TX
Full guide →San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 2m. Total distance: 43.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 2m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (91%). Some complex stretches to watch for.
Drive Character
Expect a turn-heavy local drive rather than a high-speed interstate cruise, as this route features a 0% highway share. You will navigate through town using West Market Street, East Market Street, and East Commerce Street to transition out of the city. Because the longest stretch is 0 miles on West Market Street, you should be prepared for frequent turns and a slower pace. This is not the type of trip where you put the car in cruise control and relax; instead, you will need to stay engaged with the local road network. The experience is defined by these technical, local segments that prioritize navigation through city streets over distance-covering speed.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 21 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
McAllister Freeway is the longest continuous segment at about 14.9 miles.
Elevation Profile
Mostly flat terrain
1,386 ft
649 ft
Total Climb
847 ft
Total Descent
529 ft
Highest Point
1,386 ft
~37.2 mi in
Elevation Range
737 ft
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on McAllister Freeway and US 281. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.8 miles in.
Driving Effort
7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 43.4 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.8 miles: Lane positioning matters here; at 0.9 miles: Multiple destination signs - pick the right one; at 2.1 miles (US 281 / McAllister Freeway): Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.8 mi into trip
|
~1m in
Turn left
Lane positioning matters here
Use the left lane.
7
0.9 mi into trip
|
~1m in
Take the ramp toward US 281 North, I 37 North
Multiple destination signs - pick the right one
Toward US 281 North, I 37 North
4
2.1 mi into trip
|
~3m in
|
US 281 / McAllister Freeway
Continue onto US 281 / McAllister Freeway toward US 281 North: International Airport, Johnson City
Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward US 281 North: International Airport, Joh...
6
17 mi into trip
|
~21m in
|
US 281 HOV Lane
Keep slight left at fork onto US 281 HOV Lane
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left lanes.
5
28.5 mi into trip
|
~34m in
Take the exit toward TX 46: Boerne, New Braunfels
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward TX 46: Boerne, New Braunfels
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from San Antonio, TX to Canyon Lake, TX, road signs begin pointing toward New Braunfels along the way.
New Braunfels
28.5 mi in
|
~34m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| McAllister Freeway | 14.9 mi | 17m |
| US 281 | 8.6 mi | 9m |
| FM 3159 | 5.8 mi | 10m |
| State Highway 46 West | 4.3 mi | 6m |
| US 281 HOV Lane | 2.9 mi | 3m |
| FM 2673 | 1.8 mi | 2m |
| Oblate Drive | 1.5 mi | 3m |
| William J Bordelon Freeway | 0.9 mi | 1m |
Longest stretch:
McAllister Freeway
— 14.9 mi, about 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio, TX and Canyon Lake, TX.
1
Start on Dolorosa Street
143 ft
·
4 sec
·
Dolorosa Street
2
Continue on West Market Street
0.4 mi
·
42 sec
·
West Market Street
3
Continue on East Market Street
0.4 mi
·
45 sec
·
East Market Street
4
Turn left
363 ft
·
13 sec
Use the left lane.
5
Turn straight onto East Commerce Street
216 ft
·
12 sec
·
East Commerce Street
6
Take the ramp
0.2 mi
·
28 sec
Toward US 281 North, I 37 North
7
Merge onto I 37; US 281
0.9 mi
·
1 min
·
William J Bordelon Freeway
8
Continue on US 281
15 mi
·
17 min
·
McAllister Freeway
Toward US 281 North: International Airport, Johnson City
Use the straight / slight right lanes.
9
Keep slight left at fork onto US 281 HOV Lane
2.9 mi
·
3 min
·
US 281 HOV Lane
Use the straight / slight left lanes.
10
Merge onto US 281
8.6 mi
·
9 min
·
US 281
11
Take the exit
0.2 mi
·
32 sec
Toward TX 46: Boerne, New Braunfels
12
Turn right onto TX 46
4.3 mi
·
6 min
·
State Highway 46 West
Use the straight lane.
13
Turn left onto FM 3159
5.8 mi
·
10 min
·
FM 3159
14
Turn left onto Startz Road
0.4 mi
·
1 min
·
Startz Road
15
Turn left onto FM 2673
1.8 mi
·
2 min
·
FM 2673
16
Turn right onto Oblate Drive
1.5 mi
·
3 min
·
Oblate Drive
17
Continue on Lighthouse Drive
0.2 mi
·
48 sec
·
Lighthouse Drive
18
Turn right onto Robin Hood Drive
528 ft
·
24 sec
·
Robin Hood Drive
19
Continue on Robin Hood Drive
0.1 mi
·
33 sec
·
Robin Hood Drive
20
Turn left onto Canyon Lake Drive
0.4 mi
·
1 min
·
Canyon Lake Drive
21
Arrive at destination
Sherwood Drive
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 21.7 mi from San Antonio, TX · 26m into the drive
Mid-route town
Meal stop
22 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 10 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 21.7 miles from San Antonio, TX, which is a good place for a longer meal and fuel stop.
Arriving in Canyon Lake, TX
The final approach into Canyon Lake, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$6.56 one way
$13.12 round trip
$3.84/gal
25.4 MPG avg
15 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.20 | $7.18 | $14.36 |
| premium | $4.54 | $7.75 | $15.50 |
| diesel | $5.61 | $9.58 | $19.16 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 15.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 13 | 0 | $4.56 | $2.08 |
| Efficient EV | 10.9 | 0 | $3.80 | $1.74 |
| EV Truck/SUV | 17.4 | 0 | $6.08 | $2.78 |
Gas CO2
15 kg
EV CO2
5 kg (67% 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
Canyon Lake, TX
Evening in Canyon Lake on Friday
Local time
8:51 PM
CDT
Current temp
61°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
16 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
1h 2m 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 San Antonio, TX to Canyon Lake, TX covers 43.4 miles and takes about 1h 2m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are McAllister Freeway, US 281, FM 3159. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 21.7 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $6.56 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.
This drive requires moderate attention. Across 43.4 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.8 miles: Lane positioning matters here; at 0.9 miles: Multiple destination signs - pick the right one; at 2.1 miles (US 281 / McAllister Freeway): Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from San Antonio, TX to Canyon Lake, TX, road signs begin pointing toward New Braunfels along the way.
Mostly flat terrain. The route ranges from 649 ft to 1,386 ft elevation with about 847 ft of total climbing.
Yes. Nearby national parks include San Antonio Missions National Historical Park.
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, EIA for fuel prices, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.
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