Discovery and South Lakes Loop
Discovery and South Lakes Loop
3.0
(2)
96
hikers
02:29
8.67km
200m
Hiking
Hike the Discovery and South Lakes Loop for varied terrain, from gentle lakeside paths to challenging climbs with panoramic views.
Last updated: February 26, 2026
Waypoints
Start point
Parking
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6.72 km
Highlight • Viewpoint
Tip by
8.33 km
Highlight • Lake
Tip by
8.50 km
Highlight • Trail
Tip by
8.67 km
End point
Way Types & Surfaces
Way Types
5.12 km
3.29 km
269 m
Surfaces
2.42 km
2.37 km
1.67 km
976 m
950 m
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Elevation
Highest point (380 m)
Lowest point (190 m)
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Weather
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Today
Tuesday 26 May
18°C
14°C
11 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
Parking is generally available near both Discovery Lake and South Lake Park. For Discovery Lake, you can find parking at Lakeview Park, which is adjacent to the lake. For South Lake Park, there is parking available at the park itself. Both areas offer convenient access to the loop.
Yes, the primary loops around Discovery Lake and South Lake are very family-friendly. The Discovery Lake loop is an easy, paved 0.8-mile trail, suitable for strollers and wheelchairs. South Lake Park Trail is a 1.3-mile loop with gentle inclines, also considered kid-friendly. Both parks feature playgrounds and splash pads, making them great for families.
Yes, the trails around both Discovery Lake and South Lake are generally dog-friendly. Dogs are permitted but must be kept on a leash. Please remember to clean up after your pet to keep the trails enjoyable for everyone.
The difficulty varies significantly depending on which sections you choose. The loops around Discovery Lake and South Lake are mostly easy, with paved or well-maintained dirt paths. However, connecting these areas via the Double Peak Trail, which offers panoramic views including the San Elijo Hills Ocean View, involves a challenging ascent with steep, rocky, and potentially slippery sections. This part of the route is considered moderate to strenuous.
No, there are no permits or entrance fees required to access the trails around Discovery Lake or South Lake Park in San Marcos, California. The parks and trails are open to the public free of charge.
Along the route, you'll enjoy views of Discovery Lake and South Lake. If you venture onto the Double Peak Trail, you'll be rewarded with stunning panoramic views of the surrounding mountains, the coastline, and magnificent views of South Lake Park. On clear days, you might even see as far as Batiquitos Lagoon and Catalina Island from the summit.
The area is rich in wildlife. Around Discovery Lake, you might spot various birds like California quails, orange-crowned warblers, and blue-billed ruddy ducks. South Lake is home to bass, bluegill, Western pond turtles, deer, and coyotes. Bird sounds are common along the trails.
The trails are enjoyable year-round, but spring and fall offer the most pleasant hiking conditions with milder temperatures. Summer can be hot, so it's best to start early in the morning. Winter hiking is generally mild, though some parts can be a bit buggy when it's hot, especially near South Lake.
Yes, public restrooms are available near the Discovery Lake dam in Lakeview Park. The summit of Double Peak Park also has restrooms, picnic tables, and even a mini-amphitheater with a free telescope for enhanced viewing.
Yes, the route also passes through sections of the Cerro De Las Posas Ridgeline Trail and Bella Vita Way, integrating these paths into the overall loop experience.
Absolutely. While the lake loops are easy, you can significantly increase the challenge by incorporating the Double Peak Trail. This route, accessible from Discovery Lake, involves a strenuous climb of approximately 1,000 feet over 4.3 miles, offering a rewarding workout and expansive views.