Lake Fyans is a small off-stream reservoir with a small natural catchment. Despite its small size, Lake Fyans supplies water to Ararat, Stawell and Great Western, as well as to some Supply-by-Agreement customers.
The lake is one of the most important recreational lakes in the region. It hosts a number of activities including sailing, jet skiing, hunting and caravanning.
A 9.6 km walking track around the perimeter of Lake Fyans is a feature with splinter tracks available to explore the diverse plant life, nature trails and bird trails.
Recreational use is high as one of the key destinations in the region.
Toilet facilities are available at the lake.
There is a private caravan park adjacent to the lake.
Swimming, water skiing, jet skiing and sailing are permitted.
Duck shooting during duck season is permitted.
Camping is not permitted.
Dogs are not permitted.
| Current Level | 202.550 m AHD |
| Current Volume | 12,850 ML |
| Percent Full | 70% |
| Current Inflows | -10 ML/week |
| 24 hour Rainfall | 9 mmCummulative Inflows Graph |
| Current Airspace | 5,610 ML |
| Full Supply Level | 203.80 m AHD |
| Full Supply Volume | 18,460 ML |
| Maximum Operating Volume | 18,460 ML |
| Spillway Level | No spillway m AHD |
| Crest Level | 206.20 m AHD |
| Inlet Capacity | 200 ML/day |
| Outlet Capacity | 120 ML/day |
| Catchment Area | 13.2 km2 |
| Surface Area When Full | 5.3 km2 |
| Major Tributary | Fyans Creek via Fyans Inlet Channel |
| Maximum Depth | 6.7 m |
| Year Constructed | 1916 |