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