Other Routes in 7.2.1 - Birthday Rocks Rock Climbing
- Birthday Crack
- Great White Hope
- Caesarian West Face
- Birthday Boulder
- Caesarian Tower
- Mitzvah
- Birthday Chimney
- Special Delivery
- Flux Capacitor Crack
- The Phallacy of Symbolism
- Unknown2
- Doublemint
- Flying Delorean
- Peal Off
- Chester's Chimney
- Big Jim
- Bowing to the Undercling
- Horner's Corner
- The Right Twin
- Unknown
The Left Twin
2.2/4
A Trad and Top Rope route rated 5.7 5a 15 V+ 13 MVS 4b
Almost certainly no slab features
Almost certainly no chimney features
Almost certainly overhang features
Almost certainly crack features
Routes similar to The Left Twin
- The Bone
- Lost Face Overhangs I & II
- Wiessner Face
- Jolly Roger
- Charybdis
- Peter's Project
- Lost Face Finger Crack
- Queen's Throne
- Dippy Diagonal
- Lost Face
- Watermarks
- Birch Tree Crack
- Lost Temple Corner
- Birthday Crack
- Double Overhang
- Angel's Crack
- Via Apia
- Curving Crack
- The Great Crack
- Orgasm
- Coatimundi Crack
- Berkeley
- False Alarm Jam
- King's Throne
- Queen's Face
- Agnostic
- The Bone Variation
- Noah Vail
- The Rack
- Pigeon Roof
- Snedegar's Nose
- Bloodshed
- Half Moon
- Full Stop
- The Bishop
- Faith, Hope, and Charity
- Stuck Knee
- The Bastard Chimney
- False Perspective
- Cracking Up
- Effie
- American Beauty Crack
- PushMi, Pull-Yu
- Swillbillies
- The Grotto
- North Side
- Foreplay
- Vacillation
- Tomb of the Unknown
- Mary Jane
- Three Wishes
- The Pike
- B-minor Mass
- Impossible Crack
- Lechery
- The Horse
- Family Jewels
- Mousehole
- The Spine
- Hypoglycemia
- Darkest Hour
- Tibia Crack
- Fritz
- Moon Face
- Pork Loin variation
- Pork Loin
- Jacob's Ladder
- No Exit
- Working on the Railroad
- Ramses II
- Archway Cookie
- Dippy Diagonal Variation Right (AKA the Dipster)
- Puffs Plus
- Dead Tree Crack
- Rococo Variations
- Cedar Tree Wall
- Barndoor
- Smoke Shelf
- Annie's Overhang
- This is a Six?
- Sweat Box
- Primak's Surprise
- Bill
- Phat
- Iceberg
- Creamy Caesar
- No Vacancy
- Caesarian Tower
- Flying Indian
- Turret
- Minuet
- Missing Piece
- Annie's 8
- Count your fingers
- Missing Crack
- Cracker Jack
- Got You
- Flotsam and Jetsam
- Fun One
- Lost in the Woods (Unnamed Route 5.7)
- Pine Tree Dihedral
- The Pillar
- Faith, Hope, and Tension
- Squirrel's Hole
- That's it
- Mitzvah
- Lower Diagonal
- Pitchfork Face
- Deception
- Mother Smucker's Jam
- No-Deception
- Verticulture
- Stinger
- Ramses I
- A Point of Balance
- Wiessner Chimney
- Throne Room
- Sewing Machine
- The Chopper
- Box top
- Chez's Chimney variation
- Dirty Little Secret
- Everleigh Club Crack
- Fall Is Near
- Bread and Jam
- Crack 1.3
- The Rattle
- Chlorosis
- Schizophrenia
- Michael's Project
- Cliff's Coitus
- Finger Fun
- Jam Crack
- Pine Sap
- The Layback
- Darkness At Noon
- Foliage
- Heroes Fright
- The Pretzel
- Pullman Car
- Out of the Closet
- Foil
- Coronary
- Tree and a Half Men
- 6.63 Smoots
- New Box
- Sunken Pillar
- Balanced Climb
- Cherry Blossom
- Varmit
- Tang Shwang
- Puzzlement
- Jan's Lament
- Smoke Hole
- Sasquatch
- Birthday Chimney
- Special K
- Bacon Breath
- Hissing Vulture
- Mickey Mouse
- Turk's Head
- The Wasp
- Cracker Barrel
- Budget
- Stettner's Overhang
- Left Face of TM Overhang
- Seventh Buttress 1
- Second Day Air
- Rock Garden
- Dead Tree Corner
- Der Schnozzel
- St. Peter Says "YES!"
- Delight
- No Trouble
- Turkey Tail
- Squeeze Play
- Unnamed Crack in recess
- Arm Symphony
- Wobbly Block
- Hard Sell
- The Pawn
- Special Delivery
- Catalepsy
- Out of the Woods
- Three Kings
- Colostomy
- Greatness
- Get Around
- Jungle Gym East Face
- Three Step
- Hole-In-The-Wall
- Minnie Mum Variation
- West Siam
- End of the Line
- Dances with FIBs
- The Crypt Variation
- Escalation
- Bootlegger
- Two Overhangs
- Whitney's Crack
- Dove Tail
- Claustrophilia
- Upper Left Crack
- Heavenly Mist
- West Michigan
- Surely Temple
- May Fly
- Cherry Pit
- Surehand, Surehand
- To the Hilt
- Skinny
- Anemic Ladder
- The Ungotten
- Avis
- Bowlers Grip
- Free Mileage
- Sleestak
- Squirrel's Nest
- Body Snatcher Variation
- Unknown 7
- Seventh Buttress 6
- Archeopteryx
- Seventh Buttress 5
- Blue Slab
- Squirm
- Railroad Offwidth (aka Birch Tree Dihedral)
- Seventh Buttress 4
- Equinox
- Poison Ivy
- No Holds Barred
- Earnings Summary
- Disinclination
- Kenosis
- S Darko
- Red Slab
- Flux Capacitor Crack
- Microwave Dinner
- No Rest For the Wicked
- Elephant Crack
- Rusty Crack
- Axeman
- Great Mass in C Minor
- Cracked Diamond
- Ho-Chunk
- The McCord
- The Trunk
- Moon Rock
- Tomahawk Crack
- Hallucination
- Wolf Dog
- Crusty Corner
- Bill's Beta
- Phooey
- Hiker Envy
- Walpurgisnacht
- Just Missed the Fun
- 6 foot, 7 foot, 8 foot, Ledge!
- Bloody Shin
- The Pillow
- Jerry
- Thin Fingers
- Butterfly McQueen
- Coffee Break
- Unknown 6
- Unnamed 5.7
- North Country Corner
- Unknown 5
- Red Pulpit
- Catch Up
- The Fakir
- Skillet Dinner
- Unnamed Short route
- Beginner's Delight
- Modern Life is Rubbish
- Pantry Shelf
- Root Cellar
- Illusion Chimney
- Waltzing Mary
- The Clamshell
- South Corner
- Peanut Butter
- Pitchfork Chimney
- Northwest Crack/Arete
- Vulture Nest
- Waterfall Crack
- Alexander's band
- Greatness Chimney
- Monolith Chimney
- Roy G. Biv Crack
- Land's End
- The Ramp (a.k.a. "The Slab")
- Ramsay's Ride
- A Cheval
- Green Slab
- Obduracy
- Oofdah Right
- Gyno Cracks
- Elimination
- Ledge Jam Crack
- North Chimney
- Happy Trails
- Crack a Beer
- Jam Crack
- Kranz
- Furious Funnel
- Northeast Ridge
- Don't Call Me Shirley
- Left Hanging
- Flaky Tower
- Disappearing Ledge
- Blue Nose
- No Flakes
- Thick as a Brick
- The Uncrackola
- Deep inside corner
- Joseph
- Paul1
- Broken Face
- Life of Jam
- Must Aard
- Dirty Flick
- Heinz 67 Cracks
- Lumby Ridge (pitch 3)
- Big Jim
- Boogie Board
- Barefoot Bomber
- Above Board
- 20 Second Crack
- Vulture Terrace
- High Draft
- The Outhouse
- Curved Wall
- Minnie Mouse
- Jamboree
- The Blade
- Dear Ann
- Chez's Chimney
- Rent-a-Wreck
- The Corner
- Solar Eclipse
- Insect Parts
- Cat Fight
- Cat Walk
- Cookie Cutter
- Moderation
- Innocence
- King's Corner
- Loco Head
- Seventh Buttress 3
- Poor Propects
- Tree Tower
- Son of a Bush
- Unknown
- Big Toe Right
- Fois Gros
- Arm Overture
- Overlooked
- Clout Buster
- Hong Kong
- Unnamed 5.7
- Unnamed 5.8
- Urve's Folly
- Fallen Birch
- Chester's Chimney
- Flying Delorean
- Peal Off
- Horse with No Name
- Overlooked Corner
- Scavenger of Human Sorrow
- Sleazy Times
- Chockstone Chimney
- The Right Twin
- Ramsay's Ramp
- Spiderfighter
- Half Crack
- Amusing Bruce
- Stettner 7
- Handle With Care
- Chimney's End
- Moby Dick
- The Beginning
- The Niche
- Charlie Brown
- Right of the Eye
- Decadence
- Monochrome
- Hitch Hike
- Ladybug Layback
- Basket
- Spur
- The Mongo Mantle
- Seventh Buttress 2
- Pay Off
- Pussy Galore's Flying Circus
- Broken Foot
- Horticulture
- Corner Crack Face
- Cerebration
- Friendly Banter
- Pinko
- The Mezzanine
- Better When Dry
- Easy Overhang
- Hare-Brained Scheme
- Ship's Prow
- Death and Transfiguration
- 5.7 Right of Two Cracks
- Treachery
- Whamus
- Knobby Pillar
- Gravel Pit
- Left Turkey Foot
- Second Balcony
- Cemetery Wall
- Unknown
- Inside Corner left of Transcendental
- Smoooth Bush
- F4 Ledges
- Two Flakes
- Invitation
- Sofa-Isticated-Lady
- Paul's Variation
- Nine-Minus
- The Dark Corner
- Paul
- Jolly Gendarme
- Indecision
- Dyspepsia
- Jack of Spades
- Pantry Cracks
- Double Jeopardy
- October First
- Right Turkey Foot
- Girls Named Sue