Mushroom Gorge is the third race of the Mushroom Cup in Mario Kart Wii. This course features various cliffs that can be avoided throughout the course by jumping on mushrooms set in the stage. The climax of the stage comes when you enter the cave, where you must jump on the mushrooms if you want to make it to the exit. Other hazards include Goombas or falling of the stage. But don't forget you can execute a trick when you bounce of a red mushroom. (Not green)
Mushroom Gorge would return in Mario Kart 7 as the third retro course in the Shell Cup. The mushrooms in the cave would be reduced from four at the end to only two mushrooms and the mushrooms would be blue. And the Goombas would be Grand Goombas instead.
There is only one shortcut here. In the beginning of the course, if you have a mushroom zoom past the cliff and you will bounce a mushroom and on to the bridge.