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Home › Airports › Thetford Mines Airport

Thetford Mines Airport (CSM3), Quebec

Thetford Mines, Canada Elevation 1,408 ft Eastern Time (America/Toronto)

Landing essentials

Whether you can land, whether you can refuel, and how customs works here.

Longest runway
4,500 ft
Asphalt
Customs
Nearest
CYSG, 23 NM

Overview

Thetford Mines Airport (CSM3) is a single-runway paved field in Quebec, roughly 88 nautical miles from the nearest metro area. Customs clearance is not available onsite, with the closest point at CYSG about 22.75 nautical miles away.

Skystar coordinates catering, fuel and trip support at CSM3. See rates ↓

Runways

Thetford Mines Airport has one paved runway, 06/24, 4,500 ft long and 100 ft wide, with an asphalt surface.

DesignationLengthWidthSurface
06/24 4,500 ft 100 ft Asphalt

Source: FAA Form 5010.

Customs

Thetford Mines Airport does not clear customs. The nearest port of entry is Saint-Georges Airport (CYSG), 23 NM away.

CustomsNot available
Clearance Saint-Georges Airport, 23 NM

Source: CBSA list of airports of entry.

Climate

Thetford Mines Airport averages 0.7 days above 90°F in June, 30.4 freeze days in January and 6.0 snow days in February. July is the warmest month, with average highs of 74.3°F, and January the coldest, at 19.6°F.

0.7 days above 90°F in June 30.4 freeze days in January 6.0 snow days in February
MonthMax temp (°F)Precip (in) Days >90°FFreeze days Snow days
Jan 19.6 4.03 0.0 30.4 5.9
Feb 22.3 3.63 0.0 27.4 6.0
Mar 32.5 3.73 0.0 28.8 4.9
Apr 46.0 4.05 0.0 19.9 1.8
May 61.5 4.22 0.1 4.4 0.2
Jun 70.3 5.00 0.7 0.1 0.0
Jul 74.3 5.50 0.6 0.0 0.0
Aug 72.5 5.07 0.1 0.0 0.0
Sep 64.9 4.00 0.1 1.4 0.0
Oct 51.3 4.80 0.0 11.4 0.4
Nov 38.1 3.59 0.0 23.5 2.2
Dec 25.7 4.49 0.0 29.7 5.9

Weather station is 4.8 NM from the field. 1991–2020 climate normals.

Source: Environment and Climate Change Canada.

Nearby airfields

Thetford Mines Airport has five airfields within 50 NM. The closest is Saint-Georges Airport (CYSG), 22.75 NM east.

20 NM40 NM60 NMNCSM312345
#AirfieldIdentifierBearingDistance
1 Saint-Georges Airport CYSG E 22.75 NM
2 Victoriaville Airport W 28.32 NM
3 Sherbrooke Airport CYSC SW 41.06 NM
4 Quebec Jean Lesage International Airport CYQB N 44.75 NM
5 Drummondville Airport W 49.08 NM

Source: Skystar calculation from official coordinates.

Data last refreshed September 2026. See our methodology →

Skystar at CSM3

We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.

Catering
8%
Minimum $75
Trip support
6%
No minimum
Fuel
$0.10 / gal
Minimum $75 per uplift, under 750 gallons
Card processing
5%
* Supported byStripe

The same order, priced two ways.

$600.00 catering order at CSM3.

Market practice
Kitchen price $675.00
Coordination fee Not shown
Card processing $33.75
Total due, USD $708.75
Skystar
Kitchen price$600.00
Coordination fee$75.00
Card processing$33.75
Total due, USD$708.75

Unchanged.

What the kitchen invoices us is what your quote reads.

One line, fixed.

The $75 minimum applies below $862.50.

At cost.

Passed on at the exact amount the processor took.

Market practice figures are industry averages, not a specific competitor.

Get a quote Full rate card →

Frequently asked questions

Is customs clearance available at Thetford Mines Airport (CSM3)?

Thetford Mines Airport (CSM3) has no onsite customs service. The nearest customs point is CYSG, located 22.75 nautical miles away, so aircraft requiring clearance must plan a stop there before or after landing at CSM3.

What runway length is available at CSM3?

Thetford Mines Airport offers a single paved runway, 06/24, measuring 4,500 feet long and 100 feet wide with an asphalt surface. This is also the airport's maximum paved runway length, a figure relevant for sizing aircraft on approach.

What winter conditions should crews expect at Thetford Mines Airport?

Thetford Mines Airport sits at 1,408 feet elevation and experiences cold winters, with January averaging around 30 days below freezing and close to 6 days with snow accumulation of an inch or more. Crews should plan for snow and freezing conditions from December through February.