♡ dog-friendly family-friendly Doubletrack Nortonville Trail hike hikingproject.com 2.0 km 101 m gain
♡ gravel segment Somersville Road to Black Diamonds to Mt Diablo Regional Trail bike gravelmap.com 12.6 km 997 m gain
♡ dog-friendly family-friendly Doubletrack Stewartville Trail hike hikingproject.com 7.9 km 137 m gain
