Upstream vs downstream

Definition of upstream and downstream

Upstream means towards the source of the river (from where the flow originates).

If we sail upstream

Streams ← rivers ← sea

Downstream means towards where the flow ends, at the opposite end of the waterway from the source.

If we sail downstream

Streams → rivers → sea


Narrow channel

When going upstream, keep the:

  • Red buoy on your starboard side (right side)

  • Green buoy on your port side (left side)