There are several watersheds that drain an area of 8,232.5 hectares into the Gorge Waterway and Portage Inlet.
These include:
- Colquitz River - a 4,959 ha. watershed with many tributaries, lakes and wetland complexes that enters the eastern side of Portage Inlet through Cuthbert Holmes Park
- Craigflower Creek - a 2,424 ha watershed with several smaller tributaries and lakes that enters the western side of Portage Inlet
- Hospital Creek - a small 240 ha modifed watershed that enters the northern side of Portage Inlet
- Gorge Creek - a small 200 ha watershed, with a daylighted channel that enters the Gorge Waterway through Esquimalt Gorge Park
- Cecelia Creek - a highly urbanized 353 ha watershed that enters the lower Gorge
Learn more about these watersheds