American Alpine Jounrna and Accidents in North American Climbing

Reported Mountaineering Accidents, Table III

  • Accident Tables
  • Accident Year:
  • Publication Year: 1968

Numbers Refer to Number of Persons Involved





1951-66

1959-66

1967



Terrain

U.S.A.

CAN.

U.S.A.

CAN.



Rock

582

28

52

1



Snow

324

26

53

3



River

3

0

0

0



Unknown

0

2

1

0



Ascent or Descent











Ascent 

443

30

48

1



Descent 

412

22

52

3



Unknown 

54

4

6

0



Immediate Cause











Fall or slip on rock

334

14

27

1



Failure of piton

20

1

1

0



Falling rock or object 

88

8

12

0



Failure of rappel 

46

1

4

0



Slip on snow or ice 

135

11

18

2



Fall into crevasse

22

4

5

1



Loss of control — Voluntary

glissade 

44

3

4

0



Avalanche 

64

7

8

0



Lightning 

21

3

2

0



Stuck rope 

6

0

0

0



Skiing 

2

0

0

0



Faulty use of crampons 

5

0

2

0



Fall in river 

3

0

0

0



Exposure and/or Exhaustion 

44

0

7

0



Heat prostration 

2

0

0

0



Illness Medical (incl. Pulm. Edema) 

69

0

15

0



Miscellaneous (incl. Frostbite) 

4

4

1

0



Contributory Causes











Climbing unroped 

242

12

28

2



Climbing alone 

67

6

6

2



Exceeding abilities

(inexperience) 

156

13

32

1



Darkness 

21

0

1

0



Inadequate equipment 

46

0

14

0



Old rope 

5

0

1

0



Piton failure 

16

2

1

0



Bad weather 

20

4

13

0



Exposure and/or Exhaustion 

11

0

5

0



Party separated

23

2

4

0





1951-66

1959-66

1967





U.S.A.

CAN.

U.S.A. CAN.



Age of Individuals



Boys

7

0

0

0



Under 15 

37

2

9

0



15-20 

299

12

27

1



“Young or college age” 

7

1

0

0



21-25 

199

6

27

1



26-30 

90

12

15

1



31-35 

69

1

8

0



Over 35 

103

10

14

1



Unknown 

98

12

6

0



Affiliation with Climbing Groups



Unaffiliated 

244

10

44

0



Not stated 

292

9

18

2



Member of Mountaineering Club

373

37

44

2



Estimate of Experience



None or little

430

23

48

1



Moderate 

243

14

28

1



Experienced 

130

15

26

1



Unknown 

106

4

4

1



Month of Year



January 

25

1

4

0



February

47

1

3

0



March 

37

0

8

0



April 

54

1

10

0



May 

85

2

3

0



June 

98

5

3

0



July 

202

29

32

3



August

167

15

21

0



September 

89

1

16

1



October 

46

0

4

0



November 

38

0

1

0



December 

18

0

1

0



Unknown 

3

1

0

0



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