Columbia Lake Ecological Reserve was established to protect calciocolous vegetation and ecosystems representative of the Interior Douglas-fir.
Ecological reserves protect special natural ecosystems, and support research and education. They are not intended for outdoor recreation. However, this ecological reserve is open to the public for non-destructive activities like hiking, nature observation and photography. Consumptive activities like hunting, fishing, camping, or foraging are prohibited. Motorized vehicles are not allowed.