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United States
California
San Diego County
San Marcos

Lake San Marcos Radio Transmitter from Melrose Drive

Routes
Hiking trails & Routes
United States
California
San Diego County
San Marcos

Lake San Marcos Radio Transmitter from Melrose Drive

Easy

4.6

(1378)

13,511

hikers

Lake San Marcos Radio Transmitter from Melrose Drive

01:23

4.35km

260m

Hiking

This hike to the Lake San Marcos Radio Transmitter from Melrose Drive offers a challenging ascent to a prominent landmark, rewarding you with incredible 360-degree views of San Diego County. You'll navigate diverse terrain, from paved paths to dirt utility roads with steep inclines and loose gravel, all while gaining…

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

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1

4.24 km

Cerro de las Posas

Highlight • Summit

Cerro de las Posas Peak in San Elijo Hills offers stunning vistas of the surrounding southern California landscape. This prominent peak attracts runners and hikers with its challenging trails and rewards them with breathtaking views.

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B

4.35 km

End point

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Way Types & Surfaces

Way Types

2.31 km

1.02 km

986 m

< 100 m

Surfaces

1.89 km

738 m

536 m

483 m

376 m

316 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (360 m)

Lowest point (110 m)

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Weather

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Saturday 18 July

27°C

18°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

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Frequently Asked Questions

Where can I park to access this trail from Melrose Drive?

While there isn't a designated trailhead parking lot directly on Melrose Drive for this specific route, hikers typically find street parking in the residential areas nearby. Always be mindful of local parking regulations and signage.

Is this trail suitable for beginners?

This hike is rated as easy, making it generally suitable for beginners. However, be aware that the route includes an elevation gain of over 260 meters, which means there will be some steady uphill sections. It's a good workout but manageable for those new to hiking.

Are dogs allowed on the route?

Yes, dogs are generally allowed on trails in the San Elijo Hills area, including this route. Please ensure your dog is kept on a leash at all times and remember to clean up after them to keep the trails enjoyable for everyone.

What is the best time of year to hike this trail?

The best time to hike is during the cooler months, from late fall through spring (November to May), when temperatures are mild and the air is often clearer for better views. Summer can be very hot, so if you hike then, start early in the morning to avoid the midday heat.

Do I need any permits or pay an entrance fee for this hike?

No, there are no permits required or entrance fees to access this trail, as it primarily utilizes public access roads and trails within the San Elijo Hills area.

What kind of terrain can I expect on the hike?

The route primarily follows service roads, including sections of the SD Aqueduct service road. You can expect a mix of paved paths in residential areas transitioning to dirt utility roads, which may have loose gravel and some steep inclines. Sturdy footwear is recommended.

What can I see along the route?

The primary draw of this hike is the panoramic 360-degree views of San Diego's North County, which can extend to the Pacific Ocean on clear days. You'll also pass by the prominent radio transmitters. The route includes a visit to Cerro de las Posas, a local summit offering excellent vistas.

Does this trail intersect with other well-known paths?

Yes, the route utilizes several segments of the SD Aqueduct service road, which is a common utility path in the area. It may also connect to other local trails, offering options for extending or modifying your hike.

Are there any facilities like restrooms or water sources along the way?

There are no public restrooms or water fountains directly on the trail itself. It's advisable to use facilities before you start and carry enough water for the duration of your hike, especially on warmer days.

What are the radio transmitters used for?

The radio transmitters on San Marcos Mountain are significant landmarks and serve critical communication functions, often used for emergency services and public safety in the region.

Are there any cafes or restaurants nearby for after the hike?

Yes, after your hike, you can find various cafes and restaurants in the nearby San Elijo Hills Town Center or in the broader San Marcos area, offering options for a post-hike meal or refreshment.

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