- The trailhead is located in Alpental very close to the Snoqualmie Mountain Trail.
- The first segment runs parallel with the South Fork Snoqualmie River until it connects with Source Lake Trail.
- (Source Lake Trail loops through a vantage point of Source Lake and eventually connects back up the Snow Lake Trail)
- The second segment of Snow Lake Trail runs from the Source Lake Trail to the Snow Lake camping area.
- Lastly, Snow Lake Trail runs along Snow Lake until it connects with the High Lakes and Rock Creek trails.