Slope illusion 18

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 September 13, 2014

Mistery Zone in Yashima Drive Way, Takamatsu, Japan

July 19, 2014, reported by Akiyoshi Kitaoka

The nearer slope appears to be a descent, though it is an ascent of 1° (2%). The farther slope where a bus runs is a steep ascent of 5° (9%).

Copyright Akiyoshi Kitaoka 2014 (July 19)

The bus is going up.

This illusion point consists of a series of a crest and a sag.

Copyright Akiyoshi Kitaoka 2014 (September 10)

The driver stopped this car and shifted into neutral; then the car moved backward.

This slope appears to be an ascent, though it is a descent of 1° (2%).

This slope appears to be an ascent, though it is a descent of 1° (2%). The nearer slope is a steep descent of 5° (9%).

<"Caution: Mystery Zone ? ahead" >

A car


Nearby scenes

Mt. Goken (Mt. Yakuri)

Aji town, Inage island, Shodo island


Ogi island, Toyo island

Seto bridges

Takamatsu city

Seiichi's slope illusion pages

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.)

Top page