Picton Channel (Spanish: Canal Picton) is a waterway in the Magallanes Region of Chile that continues southward the Ladrillero Channel, and it runs between the Chipana Island (east) and Mornington Island (Chile) (west).
It forms with the Ladrillero and Fallos Channel an optional route to the Messier Channel-Grappler Channel-Wide Channel. It has several arms or fiords.
The United States Hydrographic Office, South America Pilot (1916) states:
On 2 January 1916, not far from Golfo Ladrillero, the Chilean ship Casma run aground at the shore of the Picton Channel.
Route map: Google