Slope illusion 27

Outdoor tilt illusion where an ascending slope appears to descend or a descending slope appear to ascend

e.g. Magnetic Hill in Canada; Wikipedia

since April 30, 2018


"Yojigen-zaka (Four-dimensional Slope)", Okayama, Japan

Jabuary 20, 2018, reported by Akiyoshi Kitaoka


The farther slope appear to be a descent, but it is actually an ascent.

Copyright Akiyoshi Kitaoka 2018 (January 20)


This slope appear to be an ascent, but it is actually a descent.


Sea of clouds



Slope illusion 26 (Betafumi-zaka, Matsue, Japan)

Slope illusion 25 (Slope illusion in Wakayama, Japan)

Slope illusion 24 (Slope illusion in Scales, Lake District, UK)

Slope illusion 23 (Slope illusion in Chokai Blue Line, Akita, Japan)

Slope illusion 22 (Ghost slope 2 in Kume-jima Island, Okinawa, Japan)

Slope illusion 21 (Ghost slope in Kume-jima Island, Okinawa, Japan)

Slope illusion 20 (Magnetic hill in Radan, Serbia)

Slope illusion 19 (Illusory slope in Naruto Skyline, Tokushima-prefecture, Japan)

Slope illusion 18 (Mystery Zone in Yashima, Takamatsu, Japan)

Slope illusion 17 (Possible slope illusion in Hokkaido, Japan)

Slope illusion 16 (Illusory slope in Biei, Hokkaido, Japan)

Slope illusion 15 (Roller Coaster Road in Kamifurano, Hokkaido, Japan)

Slope illusion 14 (Illusory slopes in Tsunan and Tokamachi, Niigata, Japan)

Slope illusion 13 (Slope-ascending water in Tsunan-twon, Niigata-prefecture, Japan)

Slope illusion 12 (Slope-ascending water in Ujitawara-town, Kyoto-prefecture, Japan)

Slope illusion 11 (Skewed staicase of the Shigaraki Ceramic Cultural Park, Shiga, Japan)

Slope illusion 10 (Skewed staicase of Shomaru railway station, Saitama, Japan)

Slope illusion 9 (Illusory slope in Minamitane-town, Tanegashima-island, Kagoshima, Japan)

Slope illusion 8 (Illusory slope in Nakatane-town, Tanegashima-island, Kagoshima, Japan)

Slope illusion 7 (Danjo-zaka and Okyo-zaka in Amakusa-Shimojima, Kumamoto, Japan)

Slope illusion 6 (Slope-ascending river in Miyama, Nantan, Kyoto, Japan)

Slope illusion 5 (Ghost slope in Okagaki, Onga-county, Fukuoka, Japan)

Slope illusion 4 (Slope-ascending water in Tanushimaru, Kurume, Fukuoka, Japan)

Slope illusion 3 (moving-back slope in Hashikami, Aomori, Japan)

Slope illusion 2 (Mysterious slope in Towa, Iwate, Japan)

Slope illusion 1 (Mystery zone in Yashima, Takamatsu, Kagawa, Japan, etc.)


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