Mount Diablo State Park

Contra Costa County · near Danville / Walnut Creek · SF Bay Area

Camping · Rock Climbing · Gravel & Bikepacking

At a glance

Difficulty
intermediate
Elevation
3000
Campsites
~60 sites
Season
Year-round
Fee
~$30/night
Skill level
intermediate
Grade range
5.4 to 5.12 · Trad, sport, and top-rope on sandstone
Best season
Fall through spring · Summer is very hot inland · Don't climb the sandstone when wet
Difficulty
advanced
Best season
Fall–spring (brutally hot in summer)

Permits and booking

Reservation required
Yes
How to reserve
Reserve on ReserveCalifornia (6 months ahead). Camp on the flanks of the Bay Area's iconic peak, with famous summit views (said to be among the largest viewsheds on Earth). Showers vary; no big RVs (steep road). Hot in summer.
Permit
State park day-use fee. No climbing permit. Respect the fragile sandstone (wait at least a few days after rain) and any seasonal raptor-nesting closures.

What is here

Setting
mountain
Amenities
Iconic Bay Area peak · Vast summit views · Wildflowers & hiking · Near the East Bay
Best for
Bay Area peak camping + huge views
Features
Legendary summit viewshed · East Bay's iconic mountain · Spring wildflowers · Miles of trails
Terrain
foothills
Amenities
Iconic 3,849-ft summit · Enormous panoramic viewshed · Paved & dirt climbing options · State park camping
Best for
A big East Bay summit climb with vast views
Features
Climb an iconic Bay Area peak · A vast, far-reaching panorama · Paved-and-dirt route options · Sierra-to-ocean panoramas

Worth knowing

Dogs
Not permitted
Good for a first timer
Yes
Hazards
Extreme summer heat · Big sustained climbs · Exposed, little shade/water · Rattlesnakes, ticks, poison oak
Good for a first timer
No

Camping detail

Camp type
developed · walk-in
Intl tip
Reserve on ReserveCalifornia 6 months ahead. Camp on the East Bay's iconic peak — the summit view is among the largest on Earth (Sierra to Farallones on a clear day). Spring wildflowers; hot in summer (spring/fall best). Steep road (no big RVs). Combine with the East Bay trails. Huge views minutes from the suburbs.

Rock Climbing detail

Nickname
The East Bay's Home Crag
Climb types
trad · sport · top-rope
Rock type
Sandstone
Route count
Hundreds of routes across Boy Scout Rocks, the Watchtower, and other formations
Signature routes
Boy Scout Rocks · The Watchtower & upper formations
First timer note
Mount Diablo is one of the East Bay's classic learn-to-climb-outdoors venues — Boy Scout Rocks in particular is beginner-friendly with easy top-rope setups. The summit drive offers one of the most expansive views in California (allegedly the second-largest viewshed in the world after Kilimanjaro).
Intl tip
Mount Diablo's summit drive and visitor center are worth the trip alone — the view reaches from the Farallones to the Sierra on clear winter days. The park's spring wildflowers are spectacular. Combine with East Bay dining in Walnut Creek or Clayton.

Gravel & Bikepacking detail

Ride types
day-gravel · adventure
Surface
mixed
Remoteness
2
Riding
A big solo peak with paved and dirt roads climbing to a 3,849-ft summit with a remarkably far-reaching view — from the Sierra crest to the Farallon Islands on a clear day
Terrain note
Sea level to 3,849 ft; mixed paved/dirt; huge exposure; scorching summers
Camping
Yes
Intl tip
The solitary 3,849-ft peak over the East Bay — a landmark climb famous for a remarkably far-reaching view (Sierra crest to the Farallon Islands on a clear day) — one of the most extensive for a peak of its modest height (the old 'second only to Kilimanjaro' claim is a debunked myth). Classic paved ascent plus dirt and fire-road options for gravel adventure. Demanding: long sustained climb, big exposure, little shade/water, brutal summer heat (fall–spring best). Rattlesnakes, ticks, poison oak. State park camping on the mountain. A big, unforgettable summit.
Trip lengths
day

The guide

Mount Diablo is the East Bay's iconic peak, rising 3,849 feet from the valleys and visible from across the Bay Area — and campi…

In the Guidebook

Everything above is yours for free. The written guide to Mount Diablo State Park — what it is actually like, and what we would tell a friend before they went — comes with the Guidebook.

Getting there

Coordinates
37.885, -121.914

Driving directions

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