Upstream

thumb|500px|right'Crash Bandicoot can't swim, but you need to up the stream if you want to beat Papu Papu.' -Level description

Upstream is the fifth level in the original Crash Bandicoot. As the name implies, you run across leaves on a river coming out of the first island. Watch out for the lily pads, as they sink shortly after Crash steps on them, there is also Flying Fish and Water Traps.

To obtain this level's Clear Gem, the Orange Gem from Generator Room is required

Trivia

 * This is the first Crash Bandicoot level to contain two secret routes, both accessible via the Orange Gem paths.
 * The River is this level is started by Skull Rock Waterfall.