This 1.8 mile hike is doable with an off-roading stroller. We brought our Phil and Ted's Sport for our 18 month old and had no trouble.
There are enough fun things to keep kids motivated the whole time. We hiked with 3 preschoolers who all completed the hike with no complaints!
Bring a picnic lunch to enjoy at the lovely, shaded picnic area at the trail head. Kids will have fun throwing rocks into the stream after they are finished eating.
Here are directions:
From San Francisco: Take Highway 101 North to the Central San Rafael exit. Make a left turn on Third Street. Stay on Third. It will turn into Sir Francis Drake Blvd. Stay on Sir Francis Drake until you get to the Fairfax town limits. You will go over a small hill and as you head down look for a “Valero” gas station on your left. Make a left immediately after the gas station at the wooden “Fairfax” sign (unfortunately there is a well hidden street sign that many motorist do not see, but the cross-street is Pacheco). At the stop sign make a right onto Broadway. At the next stop sign make a left onto Bolinas Rd. Go up Bolinas Road approximately 1½ miles (you will pass the Deer Park Villa restaurant). At 700 Bolinas Road there is a wooden sign on your left saying “Lake Lagunitas.” Keep going to the last parking lot. Walk through the picnic area to the trailhead.