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Mallory Cave Trail
Intermediate/Difficult Intermediate/Difficult
1.2 km 0.8 mi Boulder, CO 17 
Mallory Cave Trail
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Zachary's Rating
Intermediate/Difficult Intermediate/Difficult
Royal Arch Out and Back
Difficult Difficult
5.5 km 3.4 mi Boulder, CO 178 
Royal Arch Out and Back
Avg Rating
Difficult Difficult

Zachary's Rating
Intermediate/Difficult Intermediate/Difficult
Bear Peak Out and Back
Difficult Difficult
9.2 km 5.7 mi Boulder, CO 152 
Bear Peak Out and Back
Avg Rating
Difficult Difficult

Zachary's Rating
Difficult Difficult
Mount Sanitas Loop
Intermediate/Difficult Intermediate/Difficult
5.2 km 3.2 mi Boulder, CO 127 
Mount Sanitas Loop
Avg Rating
Intermediate/Difficult Intermediate/Difficult

Zachary's Rating
Intermediate Intermediate
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