The Lower Sproatt Trail access point at Alta Lake Road serves as an entry point to the Sproatt trail network near Alpha Lake in Whistler, British Columbia.

It sits at an elevation of roughly 661 metres, with the trail climbing toward Mount Sproatt and connecting to a broader system of cross-country and mountain bike routes in the area.

The surrounding network includes trails ranging from easy to difficult, winding through the Whistler Interpretive Forest and linking to destinations such as the Rainbow-Sproatt Flank and upper alpine terrain.

Alta Lake Road provides the roadside access point for users heading into this trail system.