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Lower Sam Merrill Trail 12W14.1

Intermediate
 3.8 (20)

A popular trail connecting Altadena with Echo Mountain.


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Map Key

2.7

Miles

4.3

KM

Point to Point

3,215' 980 m

High

1,849' 564 m

Low

1,366' 416 m

Up

0' 0 m

Down

10%

Avg Grade (6°)

21%

Max Grade (12°)

Dogs Leashed

Features Views · Wildflowers

Need to Know

There are no restrooms at the start of the trail or on Echo Mountain. The nearest restrooms are at Farnsworth Park on Lake Ave., 3 blocks south of Alta Loma Dr. This is a very popular trail, and it can get very warm. Dogs often suffer due to heat and lack of water. Do not cut switchbacks which cause extensive trail damage.

Parking is in a residential neighborhood. Please be quiet and don't block driveways.

Description

From the intersection of Lake Ave. and Loma Alta Dr., go east 0.1 miles from the Cobb Estate iron gate to the start of the signed trail. The trail descends and crosses a usually dry stream bed before climbing an easily manageable grade. The route passes through open chaparral of laurel sumac, sage, scrub oak and ceanothus with occasional shade from live oaks.

At 2.6 miles there is a junction with Mt. Lowe Railway Trail. The left fork leads to the Mt. Lowe Road. The right forks leads to the junction of the Middle Sam Merrill Trail 12W14.2, the Castle Canyon Trail in 0.1 mile and the Echo Mountain ruins slightly beyond.

Thanks to John McKinney, The Trail, for sharing this trail description. To learn more about trails in California, check out his guides at The Trail Store.

Flora & Fauna

Watch for poison oak. In spring there are nice areas of scarlet delphinium and other wildflowers.

Contacts

Shared By:

John McKinney

Trail Ratings

  3.8 from 20 votes

#7493

Overall
  3.8 from 20 votes
5 Star
15%
4 Star
45%
3 Star
40%
2 Star
0%
1 Star
0%
Trail Rankings

#658

in California

#7,493

Overall
20 Views Last Month
1,556 Since Aug 7, 2017
Intermediate

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80%
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Photos

Beautiful mountain views.
Apr 14, 2015 near Altadena, CA
Flat, sandy trail and lovely flora along the link trail.
May 11, 2015 near Altadena, CA
Sierra Club WTC Group Five, Winter 2012.
Apr 3, 2018 near Altadena, CA
Heading into the more sheltered/scrub brush portion.
Apr 14, 2015 near Altadena, CA
Lush live oaks - beware poison oak here!  On the Echo Mountain Trail
Apr 14, 2015 near Altadena, CA
First switchback portion.
Apr 14, 2015 near Altadena, CA

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Weather


Current Trail Conditions

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All Clear 14 days ago See History
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Check-Ins

Feb 26, 2022
Rochelle Haas
Nice sunset hike with the kid. 6mi — 2h 22m
Jan 16, 2022
Rochelle Haas
5.6mi — 2h 04m
Jan 7, 2022
Maximilian Adang
Went a little further than powerlines 1.9mi — 1h 30m
Jul 3, 2021
Mohammad Y
Jun 9, 2021
Adrian Alarcon
2.7mi
Mar 6, 2021
Eugene Tsoy
12h 20m
Jan 19, 2020
Erin Sands
Jan 4, 2020
Jeff Smith
5.3mi

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