Took the Caltrain to San Bruno and then cycled to the Sneath Lane trailhead (ridiculously hard bike ride with all the weight I was carrying). Hiked a few parts of the Sweeney Ridge trail too. Really cool fog throughout the hike... enjoyed this outing very much!
All of my observations from this visit:
https://www.inaturalist.org/observations?on=2024-07-30&place_id=1919&user_id=joemdo