Best Hikes Near Gilroy for Teens
The Moses Spring to Rim Trail Loop at Pinnacles National Park packs a lot of what teenagers want from a hike into a short loop: 2.2 miles and 500 feet of climbing, a scramble through the unlit Bear Gulch talus caves, and a climb out to a reservoir tucked between rock walls. It is about fifty minutes from Gilroy and $30 a car, though that pass covers up to seven days. Closer to town, the Coyote Lake and Ridge Hike is the nearest real hike on the list, 6.8 miles and 797 feet for $6.
After that, pick by what gets your particular teen out of the car. The Highlight column does most of the work: a swimming hole at China Hole, five waterfalls in a mile at Uvas Canyon, redwoods on Mt. Madonna's Merry-Go-Round Loop, tunnel mouths on the Quicksilver History Loop. Effort sorts them next, from 0.6 miles on Fremont Peak's Peak Trail to the 10-mile, 1,400-foot China Hole Loop.
Our picks
- Caves you walk through in the dark: Moses Spring to Rim Trail Loop at Pinnacles National Park. 2.2 miles through the Bear Gulch talus caves, where every hiker needs their own torch.
- A swim at the far end: China Hole Loop at Henry W. Coe State Park. A natural pool often twenty feet wide and seven or eight feet deep, at the end of a 10-mile, 1,400-foot day.
- A teen who wants a thrill: Condor Gulch to High Peaks Loop at Pinnacles National Park. The Steep and Narrow section is cut into the rock with handrails and footholds, on a 5.3-mile, 1,300-foot loop.
- A reluctant hiker who likes a story: Quicksilver History Loop at Almaden Quicksilver County Park. Eight miles past tunnel mouths and trestle remains of a mercury mining district, with a museum at the trailhead and no entry fee.
- A hot afternoon: Merry-Go-Round Loop at Mt. Madonna County Park. Shade the whole way under redwoods, 4.1 miles and twenty minutes from downtown Gilroy.
At a glance
| Option | Entry Fee | Hike Length | Elevation Gain | Route Type | Highlight | Dogs Allowed | Address |
|---|---|---|---|---|---|---|---|
| $6source | 1source | 320source | Loopsource | Waterfallssource | Yessource | 8515 Croy Road, Morgan Hill, CA 95037source | |
| $6source | 6.8source | 797source | Loopsource | Lake or Reservoirsource | Yessource | 4558 Gilroy Hot Springs, Gilroy, CA 95020source | |
| $6source | 4.1source | 826source | Loopsource | Redwoodssource | Yessource | 5302 Hecker Pass Road, Gilroy, CA 95020source | |
| $8source | 10source | 1,400source | Loopsource | Swimming Holesource | Nosource | 9100 E Dunne Ave, Morgan Hill, CA 95037source | |
| $8source | 6.4source | 1,600source | Loopsource | Lake or Reservoirsource | Nosource | 9100 E Dunne Ave, Morgan Hill, CA 95037source | |
| $30source | 2.2source | 500source | Loopsource | Caves and Rock Formationssource | Nosource | 5000 East Entrance Road, Paicines, CA 95043source | |
| $30source | 5.3source | 1,300source | Loopsource | Summit Viewssource | Nosource | 5000 East Entrance Road, Paicines, CA 95043source | |
| $6source | 0.6source | 261source | Point to Pointsource | Summit Viewssource | Nosource | San Juan Canyon Road, San Juan Bautista, CA 95045source | |
| Freesource | 3source | 749source | Point to Pointsource | Wildflowers and Grasslandsource | Nosource | 4289 Casa Loma Rd, Morgan Hill, CAsource | |
| $6source | 8.4source | 672source | Loopsource | Lake or Reservoirsource | Yessource | 21131 McKean Road, San Jose, CA 95120source | |
| Freesource | 8source | 1,454source | Loopsource | Mining Historysource | Yessource | 21785 Almaden Road, San Jose, CA 95120source | |
| Freesource | 4source | 576source | Loopsource | Wildflowers and Grasslandsource | Nosource | 550 Palm Ave., Morgan Hill, CAsource |
Miles against feet of climbing
Length alone misleads here. The Rancho San Vicente Loop at Calero is 8.4 miles with only 672 feet of climbing, which suits a group with mixed fitness. The Middle Ridge Loop at Henry Coe is shorter at 6.4 miles but carries the most climbing on the list, 1,600 feet, spread across some steep pitches back up to Pine Ridge. China Hole (10 miles, 1,400 feet) and the Quicksilver History Loop (8 miles, 1,454 feet) pair long distances with heavy climbing.
Two rows are one-way figures. Fremont Peak's Peak Trail is 0.6 miles to the 3,169-foot summit and the Mayfair Ranch Trail is 3 miles one way, so the real walk is double for both. At the easy end, the Uvas Canyon Waterfall Loop is a single mile with 320 feet of gain, short enough that teens tend to keep going on the park's other trails.
Parking fees, reservations and dogs
Three hikes cost nothing to park at: Mayfair Ranch, Quicksilver and the Arrowhead Loop at Coyote Valley. The other county parks and Fremont Peak charge $6, Henry Coe $8, and Pinnacles $30 per car for one to seven days. Uvas Canyon is the trap: it needs a pre-paid vehicle day pass every day of the week, and anyone who turns up without a reservation is turned away at the gate. Arrowhead's lot holds 27 cars and fills on weekend mornings.
Only five of the twelve allow dogs on a lead: Uvas, Coyote Lake, Mt. Madonna, Calero and Almaden Quicksilver. Both Coe hikes, both Pinnacles hikes, Fremont Peak, Mayfair Ranch and Arrowhead ban them.
When each hike is at its best
Several of these are seasonal. The Uvas falls are worth it from late winter into spring, while the creek is running, and China Hole's water is only worth the walk in late spring and early summer. Mayfair Ranch and Arrowhead cover their hillsides in wildflowers in spring, and Calero's grass turns green in winter before its flowers arrive in March. The High Peaks loop at Pinnacles has no shade up top, so start early, and the Bear Gulch caves close periodically for bat roosting and can flood after winter rain. Fremont Peak is the evening option: its observatory opens a 30-inch telescope on selected nights.
The options in detail
Waterfall Loop Nature Trail at Uvas Canyon County Park
The biggest payoff per mile on this list. A one-mile self-guided loop along Swanson Creek passes five named waterfalls, with numbered plants keyed to a pamphlet you pick up at the trailhead. It is short enough that most teens will want to keep going on the park's other trails afterward, and it works best from late winter into spring when the creek is actually running. The catch is access rather than effort: Uvas requires a pre-paid vehicle day pass every day of the week, holidays and weekends included, and visitors without a reservation are turned away at the gate.
Coyote Lake and Ridge Hike at Coyote Lake Harvey Bear Ranch County Park
The closest real hike to Gilroy, in a 6,695-acre park in the hills just east of town. The loop climbs out of oak-shaded meadows onto Coyote Ridge, where the lake and the rugged Palassou Ridge sit below you for most of the return. Grass hills that are gold in late summer turn bright green in winter, and spring brings a lot of wildflowers and deer. It starts at the Mendoza Ranch entrance on Roop Road rather than the main lakeside entrance, so check the map before you drive in.
Merry-Go-Round Loop at Mt. Madonna County Park
Twenty minutes from downtown Gilroy and the only redwood hike on this list. From the Sprig Day Use Area the route climbs a mile and a half of steady, sometimes steep trail under tall trees, cuts through a genuinely beautiful stand of redwoods on the Tie Camp Trail, then drops back on the Ridge Trail. Mt. Madonna is a 4,605-acre park that also holds the ruins of Henry Miller's summer estate and a small herd of white fallow deer, both worth the detour. Shade the whole way makes this the best pick on a hot afternoon.
China Hole Loop at Henry W. Coe State Park
The one to pick if the group wants to swim. Ten miles out and back from the Coe Ranch visitor center, past the ruins of the Madrone Soda Springs resort, down a steep trail and along a creek bed you cross a dozen times, to a natural pool that is often twenty feet wide and seven or eight feet deep with a small sandy beach and flat boulders to lie on. It is the park's most popular swimming hole and a favourite in late spring and early summer, which is also the only window when the water is worth the walk. This is a long day with real climbing on the way out, and poison oak is thick along the Mile Trail, so long trousers are a good idea.
Middle Ridge Loop at Henry W. Coe State Park
A shorter way into the same backcountry as China Hole, and the better choice if you want a real hike without committing to ten miles. The loop takes in the Coe monument, Frog Lake and two crossings of the Little Fork of Coyote Creek, then runs a fine stretch of ridgetop under manzanita grown to the size of trees. The creek crossing on the Fish Trail is the kind of shady spot teenagers sit down at and refuse to leave. The climb back up to Pine Ridge has some steep pitches but the gain is spread out.
Moses Spring to Rim Trail Loop at Pinnacles National Park
Everything teenagers actually want out of a hike, packed into a bit over two miles: a scramble through the Bear Gulch talus caves in the dark, then a climb out to a reservoir tucked between rock walls. Bring a torch or head torch, one each, because the cave sections are genuinely unlit. It is about fifty minutes from Gilroy down Highway 25 to the east entrance, the caves close periodically for bat roosting and can flood after winter rain, so check conditions before you drive. The park entrance fee is the steepest here, though it covers a carload for up to seven days.
Condor Gulch to High Peaks Loop at Pinnacles National Park
The serious one. Five and a bit miles and 1,300 feet of climbing from the same Bear Gulch trailhead, up through Condor Gulch to the ridge, then across the Steep and Narrow section, where the route is carved into the rock with handrails and footholds cut into the stone. That stretch is the reason teenagers remember this hike; it is also the reason anyone uneasy with heights should take a different one. Condors are regularly overhead. There is no shade up top, so start early and carry more water than feels reasonable.
Peak Trail at Fremont Peak State Park
The shortest walk to the biggest view. A little over half a mile of rocky trail from the upper car park gains the 3,169-foot summit, where the horizon runs from Monterey Bay to the Salinas Valley. The drive is the real commitment: eleven miles of narrow, winding San Juan Canyon Road off Highway 156, not recommended for trailers or anything over 25 feet. The park also runs an observatory with a 30-inch telescope on selected evenings, which makes this a good candidate for staying past sunset instead of a daytime outing.
Mayfair Ranch Trail at Rancho Canada del Oro Open Space Preserve
A steady climb through oak woodland onto open ridgetop, with views that improve the whole way up: the Santa Cruz Mountains to the south, then the preserve's own grass and wooded hills to the north once the trail reaches the ridge. It is three miles one way, so plan on six there and back, or turn round at the ridge for a shorter day. March through May the meadows are full of wildflowers and this is one of the better spring walks in south county. Parking is free, but dogs are banned outright, not just leashed, because of the sensitive habitat.
Rancho San Vicente Loop at Calero County Park
The longest walk here that never gets steep: 8.4 miles with only 672 feet of climbing, which makes it a good choice for a group with mixed fitness who still want a full day out. The loop runs deep into Calero's backcountry, picks up Cherry Canyon Creek and follows it down to Calero Reservoir, then tracks the shoreline to the dam before returning over open hillside. Wild turkeys, geese and deer are common, and the grass hills turn brilliant green in winter before the wildflowers arrive in March. Start from the Rancho San Vicente entrance on McKean Road, not the boat launch.
Quicksilver History Loop at Almaden Quicksilver County Park
A hike with a story attached, which is often what gets a reluctant teenager out of the car. The loop climbs from the Hacienda entrance through the hills of a mercury mining district that ran for more than 135 years and once housed 1,800 miners and their families, passing tunnel mouths, trestle remains and interpretive placards along the way. The mining museum sits beside the trailhead if anyone wants the full version. It is eight miles with 1,454 feet of gain on wide, well-maintained trail, and there is no entry fee.
Arrowhead Loop Trail at Coyote Valley Open Space Preserve
The easiest thing on this list to do on a weekday afternoon: one signed loop, free parking and a fifteen minute drive from Gilroy. The trail winds past serpentine rock outcrops through grassland and oak and bay woodland, with views out to Mount Hamilton and Mount Umunhum and a few switchbacks that keep it interesting. It is a certified interpretive site on the historic Juan Bautista de Anza Trail, and spring covers the hillsides in wildflowers. The car park holds 27 cars and fills on weekend mornings, so arrive early or come midweek.
How we researched this
Twelve hikes made the list from ten parks within about an hour of Gilroy, one hike per park except Henry Coe and Pinnacles, which each get two very different routes. Second routes at parks already on the list (Frog Lake Loop and Coyote Creek Loop at Coe, Mummy Mountain Trail, the 11-mile Harvey Bear Ranch Hike) were cut. Santa Teresa County Park, Sierra Azul and Mount Umunhum, and The Forest of Nisene Marks were cut on distance, and Pacheco State Park was left out: we found no readable source giving distance and elevation for its trails. There is no difficulty column, because the park service and the trail sources rate difficulty on scales that don't match; miles and feet of gain say it more honestly.
Most length and elevation figures come from Hiking Project, a user-contributed trail database, checked against each land manager's own page for fees, dogs and address; Coe and Pinnacles numbers come from the land managers. The Arrowhead Loop's 4 miles is the Open Space Authority's figure and its 576 feet comes from Hiking Project. Every cell is filled. The Coyote Lake address is the park's main entrance, but the hike starts at the Mendoza Ranch entrance on Roop Road. Fremont Peak was closed from 10 to 28 August 2026 for road paving and has reopened, and Pinnacles cave access changes with bats and rain, so check both parks' pages before a long drive.