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Lower Monroe Truck Trail
Intermediate Intermediate
25.9 km 16.1 mi Glendora, CA 97 
Lower Monroe Truck Trail
Avg Rating
Intermediate Intermediate

David's Rating
Intermediate Intermediate
Gabrielino Trail: JPL to the USFS Dam
Intermediate Intermediate
14.1 km 8.8 mi La Cañada Flintridge, CA 90 
Gabrielino Trail: JPL to the USFS Dam
Avg Rating
Intermediate Intermediate

David's Rating
Intermediate Intermediate
Middle Sam Merrill Trail
Difficult Difficult
4.1 km 2.6 mi Altadena, CA 19 
Middle Sam Merrill Trail
Avg Rating
Difficult Difficult

David's Rating
El Prieto Trail
Difficult Difficult
2.8 km 1.8 mi La Cañada Flintridge, CA 59 
El Prieto Trail
Avg Rating
Difficult Difficult

David's Rating
Difficult Difficult
Sunset Ridge Trail
Difficult Difficult
3.8 km 2.4 mi Altadena, CA 28 
Sunset Ridge Trail
Avg Rating
Difficult Difficult

David's Rating
Difficult Difficult
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