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Arroyo Seco

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32 mi 51 km of trail 6 Recommended Routes

Easy Trails 3 Trails Intermediate Trails 9 Trails Hard Trails 3 Trails

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Recommended Routes in Arroyo Seco - 6

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Favorite Lots of stream crossings on the way up Gabrielino Trail.  It's a challenge not to fall in at least once!
Intermediate

Gabrielino Trail: JPL to the USFS Dam

8.8 mi 14.1 km 577' Up 175.77 m Up 578' Down 176.14 m Down

La Caña…, CA
Favorite Erik hittin' switches just below the Ken Burton Memorial, a fine morning in the ANF.
Difficult

Ken Burton Loop

14.8 mi 23.7 km 2,060' Up 628.03 m Up 2,057' Down 626.96 m Down

La Caña…, CA
Favorite Jen keeping it rolling through dusty ruts. Great trail for the area!
Difficult

Sunset Ridge / El Prieto Loop from Millard Campground

14.3 mi 23.1 km 2,961' Up 902.65 m Up 2,987' Down 910.52 m Down

Altadena, CA
Favorite The descent from Lawlor saddle to Red Box offers more epic views of the Angeles National Forest
Difficult

Super Strawberry

25.8 mi 41.5 km 2,857' Up 870.84 m Up 5,346' Down 1629.33 m Down

Altadena, CA
Favorite A wide section of Grizzly Flats gives leave to enjoy the vastness of the Angeles National Forest.
Intermediate

Lukens/Grizzly Flat/Hoyt Mtn Loop

11.4 mi 18.3 km 1,964' Up 598.57 m Up 1,966' Down 599.29 m Down

La Caña…, CA
Favorite Nice sunset at the top.
Intermediate

Mt. Lukens from the Fire Station

15.0 mi 24.1 km 2,843' Up 866.4 m Up 2,842' Down 866.24 m Down

La Caña…, CA

Trails in Arroyo Seco - 9

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1.8 mi 2.8 km #1El Prieto Trail
Difficult
La Cañada Flintridge, CA
Difficult
La Cañada Flintridge, CA 45 
2.8 mi 4.6 km #2Brown Mountain
Intermediate
La Cañada Flintridge, CA
Intermediate
La Cañada Flintridge, CA 21 
1.5 mi 2.4 km #3Horse Trail
Difficult
Altadena, CA
Difficult
Altadena, CA
3.9 mi 6.2 km #4Fern Truck Trail
Intermediate
La Cañada Flintridge, CA
Intermediate
La Cañada Flintridge, CA 13 
1.8 mi 2.9 km #5Hoyt Mountain Road
Difficult
La Crescenta-Montrose, CA
Difficult
La Crescenta-Montrose, CA
2.2 mi 3.6 km #6Ken Burton Trail
Difficult
La Cañada Flintridge, CA
Difficult
La Cañada Flintridge, CA
9.0 mi 14.4 km #7Mt. Lowe Road
Intermediate
Altadena, CA
Intermediate
Altadena, CA 13 
7.5 mi 12.1 km #8Mt. Lukens Truck Trail #3N27
Intermediate
La Cañada Flintridge, CA
Intermediate
La Cañada Flintridge, CA
1.1 mi 1.8 km #9Millard Canyon Road
Intermediate
La Cañada Flintridge, CA
Intermediate
La Cañada Flintridge, CA

Photos of Arroyo Seco - 75

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Erik hittin' switches just below the Ken Burton Memorial, a fine morning in the ANF.
Sep 18, 2018 near La Caña…, CA
Steve Messer from CORBA removes the closed sign at Bear Canyon Junction on August 24, 2018. The trail is now open all the way through from Chantry to JPL, thank to CORBA, Mount Wilson Bicycling Association, REI and SCE.
Aug 26, 2018 near Altadena, CA
Jen keeping it rolling through dusty ruts. Great trail for the area!
Jul 11, 2019 near La Caña…, CA
It's fun to jam down this trail, but you'll miss all the beauty of the canyon.
Dec 12, 2019 near La Caña…, CA
This trail is tirelessly maintained by volunteers like Erik, seen here riding past his sawyering handiwork.
Dec 12, 2019 near La Caña…, CA
Steve Messer and John Nobil on the newly re-opened Gabrielino Trail
Dec 29, 2018 near La Caña…, CA
Lots of stream crossings on the way up Gabrielino Trail.  It's a challenge not to fall in at least once!
Jan 11, 2015 near La Caña…, CA
The crew drops in at the top of El Prieto.
May 12, 2017 near La Caña…, CA