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Dennis Yu

San Jose, CA
Male
Contact Dennis
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More About Dennis Drop down
Member Since
Jun 9, 2021
Last Visit: 7 hours ago
170 Points
Point Rank: #7,521 DetailsDrop down
Likes Trad, Sport, Boulders
Leads Follows
Trad 5.9 5.11a
Sport 5.11a 5.11c
Boulders V5
More Info

To-Do List Sort & Filter All 207

V2 5+ PG13
 1
● Birdshit Direct (aka The Skidmark)
Boulder
High Desert > … > Wagon Wheel > Birdshit Rock
V1 5
 4
● Yabo Crack
Boulder
High Desert > … > Hilltop Boulders > Traverse Wall
V0 4
 5
● Walter's Crack
Boulder
High Desert > … > Main Area > Walter's Boulder
V0- 4-
 6
● Lieback Crack
Boulder
High Desert > … > Main Area > Facet Boulder
5.11- 6c 22 VIII- 22 E3 5c V3 6A
 24
● Checkered Demon
Boulder
San Diego County > … > Mt Woodson > Missing Link Area
V0 4 PG13
 4
● The Arching Crack
Boulder
San Jacinto Mou… > S Ridge Boulders > Arching boulder
Route Name Location Star Rating Difficulty Date
● Birdshit Direct (aka The Sk… High Desert > … > Wagon Wheel > Birdshit Rock
 1
V2 5+ PG13 Boulder
● Yabo Crack High Desert > … > Hilltop Boulders > Traverse Wall
 4
V1 5 Boulder
● Walter's Crack High Desert > … > Main Area > Walter's Boulder
 5
V0 4 Boulder
● Lieback Crack High Desert > … > Main Area > Facet Boulder
 6
V0- 4- Boulder
● Checkered Demon San Diego County > … > Mt Woodson > Missing Link Area
 24
5.11- 6c 22 VIII- 22 E3 5c V3 6A Boulder
● The Arching Crack San Jacinto Mou… > S Ridge Boulders > Arching boulder
 4
V0 4 PG13 Boulder

Ticks View All 77

V-easy 3
 3
● Between Two Cracks
Feb 4, 2026
Boulder
Northern Arizona > … > Grasshopper Poi… > Second Area
V0 4
 9
● Riverside Hand Crack
Feb 4, 2026
Boulder
Northern Arizona > … > Grasshopper Poi… > Second Area
5.9 5c 17 VI 17 HVS 5a V0- 4-
 109
● Masochist Crack
Jan 25, 2026 · Solo.
Trad, Boulder
San Diego County > … > Moby Dick Area > Beehive Boulders
5.7 5a 15 V+ 13 MVS 4b V0- 4-
 110
● Crack
Jan 25, 2026 · Flash.
Boulder
San Diego County > … > Moby Dick Area > Lieback Rock
V0 4
 79
● Mantle
Jan 25, 2026 · Flash.
Boulder
San Diego County > … > Moby Dick Area > Lieback Rock
5.11a 6c 22 VII+ 22 E3 5c V2 5+
 79
● Lieback Rock Lieback
Jan 25, 2026
Boulder
San Diego County > … > Moby Dick Area > Lieback Rock
Route Name Location Star Rating Difficulty Date
● Between Two Cracks Northern Arizona > … > Grasshopper Poi… > Second Area
 3
V-easy 3 Boulder
Feb 4, 2026
● Riverside Hand Crack Northern Arizona > … > Grasshopper Poi… > Second Area
 9
V0 4 Boulder
Feb 4, 2026
● Masochist Crack San Diego County > … > Moby Dick Area > Beehive Boulders
 109
5.9 5c 17 VI 17 HVS 5a V0- 4- Trad, Boulder
Jan 25, 2026 · Solo.
● Crack San Diego County > … > Moby Dick Area > Lieback Rock
 110
5.7 5a 15 V+ 13 MVS 4b V0- 4- Boulder
Jan 25, 2026 · Flash.
● Mantle San Diego County > … > Moby Dick Area > Lieback Rock
 79
V0 4 Boulder
Jan 25, 2026 · Flash.
● Lieback Rock Lieback San Diego County > … > Moby Dick Area > Lieback Rock
 79
5.11a 6c 22 VII+ 22 E3 5c V2 5+ Boulder
Jan 25, 2026

Tick Breakdown
Trad Sport Boulder Ice

Pitches Routes Days Out
90 Days 0 0 0
Last Year 14 14 4
5 Years 105 75 23
All Time 107 77 25

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