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Horse Trail/Chaney Trail
Difficult Difficult
2.4 km 1.5 mi Altadena, CA 15 
Horse Trail/Chaney Trail
Avg Rating
Difficult Difficult

Jerry's Rating
Difficult Difficult
Chino Hills Loop
Intermediate/Difficult Intermediate/Difficult
32.2 km 20.0 mi Yorba Linda, CA 30 
Chino Hills Loop
Avg Rating
Intermediate/Difficult Intermediate/Difficult

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

Jerry's Rating
Difficult Difficult
Southridge XC Course
Intermediate/Difficult Intermediate/Difficult
9.3 km 5.8 mi Glen Avon, CA 20 
Southridge XC Course
Avg Rating
Intermediate/Difficult Intermediate/Difficult

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

Jerry's Rating
Very Difficult Very Difficult
Whiting + The Luge
Intermediate/Difficult Intermediate/Difficult
24.0 km 14.9 mi Foothill Ranch, CA 40 
Whiting + The Luge
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Jerry's Rating
Difficult Difficult
Marshall Canyon
Intermediate Intermediate
16.8 km 10.4 mi La Verne, CA 125 
Marshall Canyon
Avg Rating
Intermediate Intermediate

Jerry's Rating
Intermediate Intermediate
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