Maguire Peaks lie in the northern section of the park. Two short routes start from two different points along Welch Creek Road. Parking requires permit, which can be obtained from the visitor center, which lies a few miles south (see trail map).

Flag Hill Trail is a fairly steep trail that quickly leads up to Flag Hill. Views from Flag Hill are quite spectacular: green rolling hills in spring are a joy to absorb. The first 1.1 miles climbs up about 1000 ft, making it a good cardio workout. From Flag Hill, there are many options to complete a loop. All options are equally good for valley views.

Routes without Flag Hill have gentler slopes. Two options are to climb up the hills in the north via Indian Joe Creek Trail, or explore the area in the south-east: Little Yosemite Area.

The loops below are fairly challenging, as they go through steep hills. All of the routes are equally gorgeous in spring, when hills are lush green.

Mission Peak lies to the west of Sunol Wilderness, reachable by a 10-mile route. This hike entails walking along the Ohlone Wilderness Trail, which requires a permit from the entrance kiosk.

The 28-mile Ohlone Regional Wilderness Trail passes through Sunol. In the east, this trail leads to Rose Peak, which offers 360-degree views for hundreds of square miles.