The Tierrasanta Gateway into Mission Trails
Our pickClairemont Mesa Boulevard runs east through a residential stretch of Tierrasanta and then simply stops. At that dead end is a trailhead into Mission Trails Regional Park, which the City of San Diego puts at more than 8,000 acres with about 60 miles of trails, and counts among the largest urban parks in the United States. For Tierrasanta, it's the backyard.
That's why it tops this list. No other stop in either neighborhood opens this much ground to this many people, for free. From this side, routes fan out right away toward North and South Fortuna, Oak Canyon and the Rim Trail, so a trail runner heading up Fortuna and a family walking the dog to the first bend can start from the same lot. Mountain bikers use it too, and dogs are allowed.
Timing matters more than route. The parking lot opens at 8 a.m. and is locked overnight, and it's big enough that pulling in around nine on a Saturday is rarely a gamble. The climbs off this trailhead have almost no shade, though, so on a summer day the smart move is to be walking soon after the gate opens and to take the Fortuna side before the sun gets high. Bring more water than you think you need.
The park is big enough to hold boating on Murray Reservoir and camping at Kumeyaay Lake as well, but from Tierrasanta the day is about the trails. One piece of old advice to retire: the park's 5 Peak Challenge officially ended in June 2020 after 15,000 completions, so there are no more pins or certificates for bagging the summits. Hike it for its own sake.
Afterward, come back down the boulevard hungry. The Pizza Standard is on the same street, and Sangucheria PSF is also in Tierrasanta, over on Santo Road.




