4.5
(9983)
9,984
hikers
04:29
15.6km
360m
Hiking
Embark on the Lake Jennings Trail for a moderate hiking experience spanning 9.7 miles (15.6 km). This route offers diverse terrain and scenic beauty, guiding you around the lake with views of surrounding mountains like El Cajon Mountain. You'll gain 1172 feet (357 metres) in elevation, taking approximately 4 hours…
Last updated: April 23, 2026
Waypoints
Start point
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15.6 km
End point
Way Types & Surfaces
Way Types
8.61 km
4.08 km
2.90 km
< 100 m
Surfaces
6.41 km
6.13 km
2.15 km
928 m
< 100 m
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Elevation
Highest point (480 m)
Lowest point (220 m)
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Wednesday 20 May
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Max wind speed: 21.0 km/h
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This route was planned by komoot.
The main Lake Loop Trail is generally rated as moderate due to its length of approximately 5.15 to 5.28 miles and rolling hills. While it has around 300 feet of elevation change, the challenge is more about endurance than steep climbs. Other trails like the Campground Loop (1.25 miles) and the Flume Trail (0.68 miles round trip) are considered easy to moderate and are suitable for families.
Yes, there is typically a day-use fee, often around $5, to access the trails. Hiking around the campground is available seven days a week, either for registered campers or with a day-use permit.
Dogs are generally not permitted on the main Lake Loop Trail, as the lake serves as a drinking water source for San Diego. However, dogs are allowed on the Campground Loop and Flume Trail sections of the park.
Given the limited shade, especially during summer, the best times to hike are during the cooler months (fall, winter, spring) or in the early mornings during summer. This helps avoid the midday heat and sun exposure.
Parking is available at Lake Jennings Park. You will need to pay the day-use fee to access the park and its trails, which includes parking.
The terrain is diverse. While some sections are paved and may share space with roads, much of the route consists of dirt trails. You'll encounter rolling hills and valleys, with beautiful views of the lake and surrounding mountains. Expect a mix of eucalyptus, laurel sumac, coastal sage scrub, chaparral, and riparian plants.
Absolutely! The trail offers stunning views of Lake Jennings and the surrounding mountains, including El Cajon Mountain. The northern side of the lake provides access to the old 'Flume' bench, which leads to a scenic trail along the ridge of El Monte Valley, a popular spot for photography.
The full perimeter of the Lake Loop Trail is typically accessible on Fridays, Saturdays, and Sundays during normal lake operating hours. Hiking around the campground is available seven days a week.
Hikers should be aware of the possibility of encountering local wildlife, including rattlesnakes. Always exercise caution and be observant of your surroundings.
Many parts of the trail offer little to no shade, especially during the summer months. It's advisable to hike early in the morning and bring plenty of water and sun protection.
Yes, the route also passes through sections of the El Monte Trail.