4.5
(36)
442
hikers
59
hikes
Hikes in San Diego National Wildlife Refuge navigate a protected expanse of Southern California landscape characterized by a mix of habitats. The terrain includes coastal sage scrub, chaparral, and riparian woodlands along the Sweetwater River. The routes vary from relatively flat river trails to more strenuous ascents up hills like Mother Miguel Mountain, offering views over the Sweetwater Reservoir and the surrounding area.
Last updated: May 28, 2026
7
hikers
14.3km
04:20
480m
480m
The Mother Miguel Mountain and Sweetwater Reservoir Loop offers a moderate hiking experience with varied terrain. You will cover 8.9 miles (14.3 km) and ascend 1574 feet (480 metres), which…
4
hikers
15.7km
04:16
220m
220m
Explore the Otay Sweetwater Refuge Trail, a moderate hiking route spanning 9.8 miles (15.7 km) with an elevation gain of 727 feet (222 metres). You can expect to complete this…

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4
hikers
3.65km
01:21
370m
10m
Embark on the McGinty Mountain Trail for a rewarding hike that climbs 1206 feet (367 metres) over 2.3 miles (3.6 km). This moderate route typically takes around 1 hour and…
3
hikers
10.5km
03:14
400m
410m
When you hike the Mother Miguel and Road Runner Loop, prepare for a moderate challenge covering 6.5 miles (10.5 km) with an elevation gain of 1308 feet (399 metres). This…
5.0
(1)
1
hikers
2.18km
00:35
30m
30m
Enjoy an easy 1.4-mile hike on the Damon Lane County Park Trail, featuring eucalyptus groves, a year-round creek, and scenic views.
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Popular around San Diego National Wildlife Refuge
San Diego National Wildlife Refuge encompasses diverse habitats across 3,920 acres, providing a sanctuary for native plants and wildlife. Visitors can explore its trails, promoting conservation awareness and appreciation.
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This is a small wooden bridge that crosses over the Sweetwater River, looping to the other side of the river trail.
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This "Tiki Hut" is really just an awning with a bench overlooking Sweetwater Reservoir. There are a few other benches dispersed on the singletrack trails through the property.
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Standing 2,567 feet high, Mother Miguel Mountain is a popular hiking destination in the San Diego National Wildlife Refuge. Because the trail is a bit steeper and rockier at the top, there are usually fewer people on the summit than on the actual trail. You know you're at the top once you see the giant rock pile. You'll get great views of other peaks in the area and Sweetwater Reservoir from up here.
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This small hut is a great shaded spot to stop and admire a viewpoint of the south end of the Sweetwater Reservoir.
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This trailhead leads you up the Rock House Trail to Mother Miguel Mountain. It is a straightforward trail and one of the few in the area with some elevation gain.
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Mother Miguel Mountain (also known as “The Rock House”) is a small summit close to San Miguel Mountain. It offers a great view of the South Bay, and the small mountain of rocks with a flagpole at the summit makes it an interesting destination!
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If you love steep twisting descents then you will have a blast shredding down this trail. Only recommended for expert riders.
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Yes, you can bring your dog hiking in the refuge, but they must be kept on a leash at all times. This is a strict rule to protect the area's sensitive wildlife and habitats. Trails like the San Diego National Wildlife Refuge Interpretive Loop are popular spots for dog walkers.
For an easy, family-friendly outing, the Sweetwater Marsh Unit offers flat, accessible trails, some of which are suitable for strollers. These short paths wind through a unique salt marsh ecosystem, providing a great opportunity for kids to learn about the local environment and spot birds.
The refuge is a designated 'Globally Important Bird Area,' so birdwatching is a major highlight. Keep an eye out for the coastal California gnatcatcher, snowy egrets, and ospreys. You might also spot more common critters like coyotes, roadrunners, and rabbits, especially during the early morning or late afternoon.
For a strenuous hike with a rewarding panoramic payoff, the trail to the summit of Mother Miguel Mountain is a popular choice. It's a steep and rocky ascent with over 1,100 feet of elevation gain, but the 360-degree vistas from the 'Rock House' at the top are spectacular. Remember to bring plenty of water as there is very little shade.
Most trailheads have designated parking areas. For example, the main access point off CA-94 has a large gravel lot that can accommodate plenty of cars. It's always a good idea to arrive earlier on weekends, as popular trailheads can fill up.
Yes, there are several loop trails. For a longer, more moderate circular route, consider the Rock House Trailhead – Mother Miguel Mountain loop from Sunnyside. This nearly 12 km trail offers a comprehensive tour of the area's chaparral-covered hills.
The trails are highly regarded by the komoot community, with an average rating of 4.3 stars. Hikers often praise the diverse landscapes, from the lush riparian habitat along the Sweetwater River to the rugged, scenic climbs up the surrounding hills.
There are over 35 designated hiking trails to explore within the refuge. They range from easy, flat riverside walks to difficult mountain ascents, offering plenty of options for all fitness levels.
Yes, some trails within the San Diego National Wildlife Refuge are multi-use and open to equestrians. It's best to check the official refuge website for the most current information on which specific trails are designated for horseback riding. You can find more details on the FWS trails page.
Many trails, especially those at higher elevations, are very exposed with little to no shade. It's essential to start early, wear sun protection, and carry more water than you think you'll need. Also, be aware of your surroundings as the area is home to rattlesnakes.
If you're looking for a longer walk without much climbing, the Lower Otay Reservoir via Otay Lakes Road trail is a great option. It's over 12 km long but stays mostly level as it follows the shoreline, offering pleasant water views.


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