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San Marcos, California

The best Trails and Outdoor Activities in San Marcos, California, include the Double Peak Trail, a must-visit for those seeking a challenging hike. This 5.2-mile trail offers panoramic views of the city and the Pacific Ocean. You'll also find the Discovery Lake Trail, a 0.8-mile loop that's perfect for all skill levels. It's a popular spot for walking, running, and bird watching. For a unique outdoor adventure, visit Jack's Pond Park and Nature Center. It features a pond, a nature center, and a scenic walking trail. These top outdoor attractions in and near San Marcos provide a variety of options for everyone to enjoy.

Top Spots in and near San Marcos

  • San Diego, California

    La Jolla Cove

    4.8
    La Jolla Cove is one of the most photographed beaches in San Diego, located on the coast just south of Torrey Pines Natural Reserve. La Jolla Cove is also one of the best spots in San Diego for snorkeling and scuba diving. This calm cove is ecologically protected with many animals making their ho...
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  • San Diego, California

    Swim in La Jolla Cove

    4.9
    La Jolla Cove is an iconic destination in San Diego for visitors and locals alike. Anyone visiting San Diego knows La Jolla Cove is famous for sea lions, beautiful sunsets, sea caves, kayaking, diving, etc etc. The entire area is a great place to eat, drink, relax and spend a day enjoying the Cal...
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  • Palomar Mountain, California

    Hike to Palomar Observatory from the Palomar Observatory Campground

    5.0
    4.4 mi / 718 ft gain
    Situated in the Palomar Mountains of Cleveland National Forest, Palomar Observatory Campground offers many amenities for enjoyable camping and exploring the area.  A portion of the campsites loop has been cleared of trees with level cement pads to allow campers to set up their own telescopes.  Dr...
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  • San Diego, California

    La Jolla Coast Walk Trail

    5.0
    2.32 mi / 295 ft gain
    La Jolla Coast Walk is a beautiful coastline trail, but is a bit of a heavily trafficked tourist trail. The hike can be started and ended at 3 separate locations. The trail is easily accessible with a small parking lot and tons of restaurants nearby.  The trail begins near another popular touris...
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  • San Diego, California

    Photographing Hospitals Reef

    5.0
    Hospitals Reef is a photographer’s paradise. San Diego is known for its many beaches, but Hospitals Reef is one of my favorites to photograph. It’s easy to see why when you get there. The unique rocky shoreline is home to many unusual and wonderful sights.There is a section of rocks filled with p...
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  • Ramona, California

    Explore the Sutherland Dam

    2.0
    1 mi
    Once your on Sutherland Dam Rd, follow it until your right next to the dam. Park on the side of the road where you see a small turn-out. Walk down to the side of the dam and drop down onto the concrete flooring of the dam. Walk on-top where allowed, and check out the views of the lake and the mo...
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  • Santee, California

    Oak Canyon in Mission Trails Regional Park

    5.0
    3.22 mi / 249 ft gain
    Starting on Father Junipero Serra Trail, drive 0.7 miles west to the Old Mission Dam parking lot on the left. The park closes the gates at 7pm, so make sure to park early, or plan your hike in such a way that you don't get locked in! If you think you'll need longer, you can park out on the main r...
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  • Santee, California

    Kwaay Paay Trail

    2.4 mi / 846 ft gain
    Park your car in the small gravel parking lot at the southwest corner of Father Junipero Serra Trail and Bushy Hill Drive (this is especially important if you plan to take the sunset hike, so you'll be outside the locked park gate when you descend). There will be other hikers parked there, but I'...
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  • San Diego, California

    Surf Scripps Pier

    5.0
    Park on La Jolla Shores Drive and make the short walk down the boat ramp north of the pier. This spot often has some of the clearest waters in San Diego, making it a picturesque place to surf. During low tide, check out the tide pools just north of the surf spot to find some awesome sea life.
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  • San Diego, California

    Mission Trails 5 Peaks

    15 mi
    The 15-ish mile route we took made it a great workout, but it didn’t crush us. We left the apartment at 6 am and were back home with plenty of time to prep cook and eat a big dinner before 5 pm. Although I completed the hike in 1 day(and I highly recommend it)many people completed each hike indi...
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  • San Diego, California

    South Fortuna Mountain

    5.0
    4.59 mi / 997 ft gain
    Hiking at sunset/night is a great way to beat both the heat and the crowds. On a clear day, you can see from Mexico to Catalina Island! If you stay long enough, you can see all of San Diego's city lights turn on, or the marine layer fog creeps into the canyons. South Fortuna Peak is part of Miss...
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  • San Diego, California

    Watch the Sunset at Windansea Beach

    5.0
    One of San Diego's hidden gems. This beach offers an incredible and beautiful view any time of the day. My favorite time to go to this beach is during the sunset. There is a set of stairs just north of the parking lot that leads down to the cliffs where you can sit, hang out, and relax. It's also...
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  • Lakeside, California

    Hike the Oakoasis Open Space Preserve

    2.5 mi / 300 ft gain
    Starting at the trail-head, head down towards the oak-lined ravine marking the beginning of the hike. With trees already growing back from the 2003 fire, these sections of the trail are nice and shady, and quite relaxing. About 1 mile in you will start to see the San Vicente Reservoir to your lef...
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  • Lakeside, California

    Hike El Cajon Mountain

    4.5
    12 mi / 4100 ft gain
    This challenging trek is a great way to get in shape for that spring or summer trip to the Sierras. You may have heard others tell you how tough the hike is and they're not kidding. You'll be gaining 4100 feet over the 12 miles to the peak and back. If you have the time and the energy, you should...
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  • Santee, California

    Cowles Mountain via Big Rock Trail

    4.0
    4.86 mi / 1207 ft gain
    Starting somewhat near sea-level, Cowles Mountain via the Big Rock Trail climbs about 1000 ft in elevation.  This trail is about 5 miles total, out and back.  Arrive at Big Rock park which has good parking.  At the park you will walk to the left of the tennis courts past the limits (the fence) of...
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  • San Diego, California

    Visitor Center Loop Trail

    5.0
    1.46 mi / 148 ft gain
    The Visitor Center Loop Trail is a 1.4 mile hike in San Diego that features river views and allows dogs.The Visitor Center Loop Trail is a well maintained, quick hike with shady spots scattered along the path and open year-round. This trail is great for kids and dog owners. There is a great netwo...
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