4.9
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1,466
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Hiking around Eucalyptus Hills offers routes through a landscape of rolling hills, canyons, and expansive open space preserves in San Diego County, California. The terrain features a mix of coastal sage scrub, chaparral-covered slopes, and shaded oak woodlands. This diverse environment provides a network of trails suitable for various fitness levels, with panoramic views across parts of San Diego County.
Last updated: June 25, 2026
5.0
(1)
6
hikers
6.55km
01:55
170m
170m
Explore the varied landscapes of the Cardiac Hill and Ridge Loop, an easy hike covering 4.1 miles (6.5 km). You will gain 565 feet (172 metres) in elevation over an…
3
hikers
27.1km
07:41
570m
580m
This difficult 16.9-mile hike through Sycamore Canyon/Goodan Ranch Preserve offers varied terrain, including Martha's Grove and Cardiac Hill

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1
hikers
15.5km
04:33
440m
430m
Embark on the Northeast Santee Loop for a moderate hiking adventure that spans 9.6 miles (15.5 km). This route challenges you with a total elevation gain of 1441 feet (439…
1
hikers
5.77km
01:28
20m
10m
Embark on an easy hike along the Walker Preserve Trail, a well-maintained path offering picturesque riparian views of the San Diego River. You will find lush green belts of trees…
2.38km
00:36
10m
10m
Embark on the Lindo Lake Loop for an easy hike around the only natural lake in San Diego County. This pleasant 1.5-mile (2.4 km) route offers continuous views of Lindo…
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This Grove of oak trees survived a big cedar fire in 2003. The Grove is dedicated as a memorial to Martha Harville, a park ranger who died at 31 years of age in 1988.
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This paved, multi-use trail runs alongside the San Diego River, from shortly this side of Mission Valley down to the river's mouth and the ocean.
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Goodan Ranch has a rich history; the area was once inhabited by the Kumeyaay Indians and then served as a working ranch. Today, the preserve is a popular destination for hiking and mountain biking. The Goodan Ranch Sycamore Canyon Preserve features diverse scenery and habitats, like mixed sage scrub, chaparral-covered hills, open grasslands, and riparian creekside areas.
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The Goodan Ranch County Preserve, that is also called Sycamore Canyon Preserve, has a total size of 2,272 acres. It is covered with a mix of grassland, riparian, coastal sage, oak woodland and mixed chaparral. With over 10 miles of multi-use trails, this is paradise for cyclists and hikers alike.
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This is the starting point for the Sycamore Canyon Preserve and Martha's Grove Trail. The Sycamore Canyon Preserve holds over 10 miles (16.09 kilometers) of trails through groves and grasslands.
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This Grove of oak trees survived a big cedar fire in 2003. The Grove is dedicated as a memorial to Martha Harville, a park ranger who died at 31 years of age in 1988.
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Yes, there are over 30 hiking routes to explore in the Eucalyptus Hills area. The trails range from easy, family-friendly walks in local parks to challenging ascents up nearby mountain peaks, offering plenty of options for all fitness levels.
The trails around Eucalyptus Hills are highly regarded by the komoot community. Hikers often praise the diverse landscapes, from the shaded oak woodlands to the scenic, chaparral-covered hills. The well-maintained paths and beautiful vistas are frequently mentioned as highlights.
Absolutely. For a very gentle and flat walk, consider the Mast Park loop via San Diego River Trail. It's a pleasant route that's great for a relaxed stroll with the family.
Many trails in the San Diego County area are dog-friendly, but dogs must typically be kept on a leash. However, some preserves have restrictions to protect sensitive wildlife. Always check the specific regulations for the park or preserve you plan to visit before you go.
The best times to hike are from fall through spring (October to May) when temperatures are cooler. Summers can be very hot and dry, especially on exposed trails. If you do hike in the summer, it's best to go early in the morning and bring plenty of water.
Yes, there are several enjoyable loop trails. The Martha's Grove Trail loop is a great option that takes you through the scenic Sycamore Canyon County Preserve without having to retrace your steps.
The landscape is classic Southern California, featuring rolling hills covered in coastal sage scrub and chaparral, with pockets of oak woodlands. The area is excellent for birdwatching, with chances to spot species like the coastal California gnatcatcher, red-tailed hawks, and cactus wrens.
The trails directly around Eucalyptus Hills are in a dry, chaparral environment and do not typically feature waterfalls, especially during the drier months. The region's beauty lies in its panoramic vistas and unique plant communities rather than water features.
Wear sturdy hiking shoes with good grip. Layered clothing is recommended as temperatures can change. Most importantly, bring more water than you think you'll need, along with sun protection like a hat, sunglasses, and sunscreen, as many trails are very exposed to the sun.
Most trailheads in the area are best accessed by car. Designated parking lots are available at most major parks and preserves, such as El Monte County Park and Mission Trails Regional Park. Arrive early on weekends, as popular trailheads can fill up quickly.
For some of the most rewarding panoramic views, challenging trails like the one up Iron Mountain are a top choice. On a clear day, you can see across much of San Diego County. Many other trails, like those in the Lakeside Linkage Preserve, also offer beautiful vistas of the surrounding hills.


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