11 strokes
                                                    
                        Jouyou kanji
            Taught in 5th grade
    
                                                    JLPT exam level N3
                                            precipitous, inaccessible place, impregnable position, steep place, sharp eyes
Kun'yomi
- け - わ - し - い - precipitous ②grim 
On'yomi
- ケ - ン - steepness ②harsh (look) 
Character Breakdown
precipitous, inaccessible place, impregnable position
ケン けわ.しい (5th, N3)
References
| Unicode hex code | 967A | 
| JIS X 0208 | 1-24-17 | 
| Nelson, A. Classic Nelson | 5000 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 6456 | 
| Halpern, J. New Japanese-English Character Dictionary | 542 | 
| Halpern, J. Kodansha Kanji Dictionary | 658 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 398 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 495 | 
| Heisig, J. Remembering The Kanji | 1672 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 1802 | 
| Gakken A New Dictionary of Kanji Usage | 616 | 
| O'Neill, P.G. Japanese Names | 1308 | 
| O'Neill, P.G. Essential Kanji | 356 | 
| Morohashi Daikanwajiten | 41721P | 
| Henshall, K. A Guide To Remembering Japanese Characters | 662 | 
| Spahn and Hadamitzky Kanji and Kana | 533 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 542 | 
| Sakade, F. A Guide To Reading and Writing Japanese | 770 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 988 | 
| Henshall & De Groot A Guide To Reading and Writing Japanese, 3rd ed. | 689 | 
| Kask, A. Tuttle Kanji Cards | 731 | 
| Nishiguchi & Kono Kanji in Context | 790 | 
| Kodansha Kodansha Compact Kanji Guide | 736 | 
| Maniette, Y. Les Kanjis dans la tete | 1688 | 
| Tuttle Dictionary Descriptor Code | 2d8.8 | 
| Four corner code | 7823.6 | 
| De Roo Code | 3663 |