The 1970 Canadian Grand Prix was a Formula One motor race held at Circuit Mont-Tremblant on September 20, 1970. It was race 11 of 13 in both the 1970 World Championship of Drivers and the 1970 International Cup for Formula One Manufacturers. The 90-lap race was won by Ferrari driver Jacky Ickx after he started from second position. His teammate Clay Regazzoni finished second and March driver Chris Amon came in third. This race marked the debut of Tyrrell Racing as a constructor. Stewart took pole position for the race in the first outing for the team. Tim Schenken finishing the race only 11 laps behind is the best a De Tomaso built car ever achieved. Also of note Team Lotus still mourning the loss of Jochen Rindt did not enter this race but the Rob Walker team running the Lotus 72 with Graham Hill did.
Qualifying classification
{| class="wikitable sortable" style="font-size: 95%;"
!Pos
!No
!Driver
!Constructor
!Time
!Gap
!Grid
|-
!1
|3
| Jackie Stewart
|Tyrrell-Ford
|1:31.5
|align=center| —
|1
|-
!2
|18
| Jacky Ickx
|Ferrari
|1:31.6
| +0.1
|2
|-
!3
|19
| Clay Regazzoni
|Ferrari
|1:31.9
| +0.4
|3
|-
!4
|2
| François Cevert
|March-Ford
|1:32.4
| +0.9
|4
|-
!5
|4
| John Surtees
|Surtees-Ford
|1:32.6
| +1.1
|5
|-
!6
|20
| Chris Amon
|March-Ford
|1:32.6
| +1.1
|6
|-
!7
|14
| Pedro Rodríguez
|BRM
|1:32.7
| +1.2
|7
|-
!8
|24
| Henri Pescarolo
|Matra
|1:32.9
| +1.4
|8
|-
!9
|16
| George Eaton
|BRM
|1:32.9
| +1.4
|9
|-
!10
|15
| Jackie Oliver
|BRM
|1:33.1
| +1.6
|10
|-
!11
|6
| Peter Gethin
|McLaren-Ford
|1:33.2
| +1.7
|11
|-
!12
|8
| Andrea de Adamich
|McLaren-Alfa Romeo
|1:33.2
| +1.7
|12
|-
!13
|23
| Jean-Pierre Beltoise
|Matra
|1:33.4
| +1.9
|13
|-
!14
|21
| Jo Siffert
|March-Ford
|1:33.5
| +2.0
|14
|-
!15
|5
| Denny Hulme
|McLaren-Ford
|1:33.9
| +2.4
|15
|-
!16
|26
| Ronnie Peterson
|March-Ford
|1:34.4
| +2.9
|16
|-
!17
|10
| Tim Schenken
|De Tomaso-Ford
|1:34.6
| +3.1
|17
|-
!18
|12
| Rolf Stommelen
|Brabham-Ford
|1:34.7
| +3.2
|18
|-
!19
|11
| Jack Brabham
|Brabham-Ford
|1:35.4
| +3.9
|19
|-
!20
|9
| Graham Hill
|Lotus-Ford
|1:35.8
| +4.3
|20
|-
!colspan=8|Source:
|}
Race classification
{| class="wikitable" style="font-size: 95%;"
|-
! Pos !! No !! Driver !! Constructor !! Laps !! Time/Retired !! Grid !! Points
|-
! 1
| 18
| Jacky Ickx
| Ferrari
| 90
| 2:21:18.4
| 2
| 9
|-
! 2
| 19
| Clay Regazzoni
| Ferrari
| 90
| + 14.8
| 3
| 6
|-
! 3
| 20
| Chris Amon
| March-Ford
| 90
| + 57.9
| 6
| 4
|-
! 4
| 14
| Pedro Rodríguez
| BRM
| 89
| + 1 lap
| 7
| 3
|-
! 5
| 4
| John Surtees
| Surtees-Ford
| 89
| + 1 lap
| 5
| 2
|-
! 6
| 6
| Peter Gethin
| McLaren-Ford
| 88
| + 2 laps
| 11
| 1
|-
! 7
| 24
| Henri Pescarolo
| Matra
| 87
| + 3 laps
| 8
|
|-
! 8
| 23
| Jean-Pierre Beltoise
| Matra
| 85
| Clutch
| 13
|
|-
! 9
| 2
| François Cevert
| March-Ford
| 85
| + 5 laps
| 4
|
|-
! 10
| 16
| George Eaton
| BRM
| 85
| + 5 laps
| 9
|
|-
!
| 10
| Tim Schenken
| De Tomaso-Ford
| 79
| + 11 laps
| 17
|
|-
!
| 9
| Graham Hill
| Lotus-Ford
| 77
| + 13 laps
| 20
|
|-
!
| 8
| Andrea de Adamich
| McLaren-Alfa Romeo
| 69
| Oil Pressure
| 12
|
|-
!
| 26
| Ronnie Peterson
| March-Ford
| 65
| + 25 laps
| 16
|
|-
!
| 5
| Denny Hulme
| McLaren-Ford
| 58
| Engine
| 15
|
|-
!
| 11
| Jack Brabham
| Brabham-Ford
| 57
| Oil Leak
| 19
|
|-
!
| 15
| Jackie Oliver
| BRM
| 52
| + 38 laps
| 10
|
|-
!
| 3
| Jackie Stewart
| Tyrrell-Ford
| 31
| Axle
| 1
|
|-
!
| 12
| Rolf Stommelen
| Brabham-Ford
| 22
| Handling
| 18
|
|-
!
| 21
| Jo Siffert
| March-Ford
| 21
| Engine
| 14
|
|-
!colspan="8"|
|}
Notes
- This was the 100th race for a Belgian driver. In those 100 races, Belgian drivers had won 5 Grands Prix, achieved 18 podium finishes, 6 pole positions, 6 fastest laps and 2 Grand Slams.
- After winning last year's Canadian Grand Prix, Jacky Ickx now was the sole record holder with two Canadian Grand Prix wins, breaking the record set by Jack Brabham at the 1967 Canadian Grand Prix.
- This was the first pole position for British constructor Tyrrell.
Championship standings after the race
;Drivers' Championship standings
{| class="wikitable" style="font-size: 95%;"
|-
!
! Pos
! Driver
! Points
|-
|align="left"| 10px
|align="center"| 1
| Jochen Rindt*
| align="left"| 45
|-
|align="left"| 10px 4
|align="center"| 2
| Jacky Ickx*
| align="left"| 28
|-
|align="left"| 10px 2
|align="center"| 3
| Clay Regazzoni
| align="left"| 27
|-
|align="left"| 10px 2
|align="center"| 4
| Jackie Stewart
| align="left"| 25
|-
|align="left"| 10px 2
|align="center"| 5
| Jack Brabham
| align="left"| 25
|-
!colspan=4|Source:
|}
;Constructors' Championship standings
{| class="wikitable" style="font-size: 95%;"
|-
!
! Pos
! Constructor
! Points
|-
|align="left"| 10px
|align="center"| 1
| Lotus-Ford*
| align="left"| 50
|-
|align="left"| 10px 2
|align="center"| 2
| Ferrari*
| align="left"| 43
|-
|align="left"| 10px 1
|align="center"| 3
| March-Ford*
| align="left"| 43
|-
|align="left"| 10px 1
|align="center"| 4
| Brabham-Ford*
| align="left"| 35
|-
|align="left"| 10px
|align="center"| 5
| McLaren-Ford
| align="left"| 31
|-
!colspan=4|Source: