Best trails in Altadena

6929 Reviews
Looking for a great trail near Altadena, California? AllTrails has 42 great hiking trails, running trails, mountain biking trails and more, with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers, and nature lovers like you. If you're looking for the best trails around Topanga State Park or Chino Hills State Park, we've got you covered. You'll also find some great local park options, like Eaton Canyon Natural Area Park or Claremont Hills Wilderness Park. Ready for some activity? There are 24 moderate trails in Altadena ranging from 1.8 to 19.1 miles and from 1,161 to 6,161 feet above sea level. Start checking them out and you'll be out on the trail in no time!
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Map of trails in Altadena
Top trails (42)
#1 - Echo Mountain via Sam Merrill Trail
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(2288)
Length: 5.4 mi • Est. 3 h 8 m
This trail is good for running but can be crowded. This route is the Lower San Merrill trail towards Lake. At the beginning, take the second trail further back towards mountain. At the top, turn rightShow more
#2 - Millard Canyon Falls Trail
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(584)
Length: 2.6 mi • Est. 1 h 26 m
Note that hikers may need to purchase a parking pass to prevent getting a parking ticket.Show more
#3 - Inspiration Point Loop Trail
Angeles National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(403)
Length: 9 mi • Est. 5 h 29 m
Inspiration Point Loop Trail is a 9 mile heavily trafficked loop trail located near Altadena, California that features beautiful wild flowers and is rated as difficult. The trail offers a number of acShow more
#4 - Mount Lowe Railway Loop
Angeles National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(244)
Length: 9.8 mi • Est. 5 h 49 m
Fascinating historic railway, great views, pine trees, deep canyons. This is a hike along the ruins of the Mt Lowe railway, Echo Mountain, and the Alpine Tavern. These locations were the most popularShow more
#5 - Dawn Mine
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(318)
Length: 3.8 mi • Est. 2 h 11 m
Dawn Mine is a 3.8 mile heavily trafficked out and back trail located near Altadena, California that features beautiful wild flowers and is rated as moderate. The trail is primarily used for hiking anShow more
#6 - Arroyo Seco Trail
Hahamongna Watershed Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray Star(150)
Length: 19.1 mi • Est. 9 h 42 m
Arroyo Seco Trail is a 19.1 mile heavily trafficked out and back trail located near Altadena, California that features a waterfall and is rated as moderate. The trail offers a number of activity optioShow more
#7 - Brown Mountain/El Prieto Trail
Hahamongna Watershed Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(212)
Length: 7.3 mi • Est. 3 h 50 m
This is a very popular mountain biking trail, so take caution if you are a hiker. It is important for all users to share the trail with others and help make your whereabouts known with bells, or usingShow more
#8 - Mount Disappointment and San Gabriel Peak
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(130)
Length: 4.4 mi • Est. 2 h 50 m
NOTE: 5/13/20 - Mt. Wilson Red Box Road is closed at Angeles Crest Hwy because of COVID-19 measures. Please see the park's website for up to date information. You may be able to park in a dirt parkingShow more
#9 - Sunset Ridge Saddle Loop
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(152)
Length: 4.4 mi • Est. 2 h 41 m
Sunset Ridge Saddle Loop is a 4.4 mile heavily trafficked loop trail located near Altadena, California that features a waterfall and is rated as moderate. The trail is primarily used for hiking and waShow more
#10 - Mount Lowe Canyon Loop
Angeles National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(74)
Length: 3 mi • Est. 1 h 47 m
Mount Lowe Canyon Loop is a 3 mile moderately trafficked loop trail located near Altadena, California that features beautiful wild flowers and is rated as moderate. The trail offers a number of activiShow more
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