.10 .06 .20 .28 .30 .08 .10 .08 .11 .40 .19 .21 .04 .06 .04 .73 to. Stewartville Trail from Chaparral Loop Tr. 3. 4. 5.
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STAR STAR MINE MINE GROUP CAMP
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entrance to the Star Mine, one of the last active coal 1100 1400 mines in the area.
0
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9 STAR MINE: This barred tunnel once served as the
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8
For information call (510) 544-2220.
Visitors are responsible for knowing and complying with park rules (Ordinance 38), available online at www.ebparks.org/ord38.
. DR
8
UP .23 E R OI L
500
To Hwy. 4 Bypass and Hwy 4.
RULES Pets must be leashed 200 feet from any trail or park entrance. Pets must be leashed in parking lots, picnic areas, developed areas such as lawns and play ESTDR. MEMBERSHIPS Sfields, TONE CRand on some trails. They must be under The Regional Parks Foundation voice control at all times. offers memberships to park users.
M ESA RIDGE
.4
STEWARTVILLE BACKPACK CAMP
8 PROSPECT TUNNEL: This tunnel was driven in the
1860s by miners in search of commercial-quality coal. Two hundred feet of the 400-foot tunnel are open for exploration. Bring a light.
WAY
STEWARTVILLE TOWNSITE
OVERLOOK
IL
M
7 STOPE: This huge chamber was blasted out of
0
NE LA
ON KS
.11
900 800
RC OR AN .76 MIN E
.71 TR AIL 700
TRAIL
SAFETY and ETIQUETTE ER DR. • StayBOULD on trails. Taking shortcuts can be dangerous and causes erosion. • Wading and/or swimming in undesignated areas may beBLdangerous UERO CK DR. and may harm the watershed. • Carry and drink plenty of water. Dehydration is a leading cause of injuries on the trail. • Be prepared for sudden changes in weather conditions. • Trails can be slippery, rocky and steep. Proceed carefully at your own risk. • Wildlife may be present on the trails at any time. Feeding or approaching wildlife is dangerous and illegal. • Bicycles are permitted on designated trails only. Horses have the right-of-way on trails. • TKeep the parks beautiful. Pack out what you M . HAMILTON To Oakley and Brentwood. pack in.
500
TRAIL
STAR .27
sandstone by miners extracting rock for glass making.
used to store explosives during the sand mining era.
TREE NE
.79
L TRAI
2 “JIM’S PLACE”: This little underground dwelling is of unknown origin. Notice the square skylight, round stovepipe hole, and shelf opening.
6 POWDER MAGAZINE: This small excavation was
30
FREDE R I C
60
5 HAZEL ATLAS PORTAL: This mine supplied9sand 00 used for glass making in the 1920s through the 1940s.
.21 HOMES TEAD TR.
OP LO
RIDGE
.48
1 AIR SHAFT: This air shaft (once 150 feet deep and reached here by a short tunnel) was used to keep a coal mine ventilated and free from dangerous gases. The marks left by miners’ picks are still evident on the excavation sides.
LO
H PORTAL NORT 2 .5
.28
.11
M IN ER S
.49
MINING FEATURES as numbered on map:
4 EUREKA SLOPE: This inclined shaft was the entrance to the Eureka Coal Mine. Between 1860 and 1895, more than 150,000 tons of coal were hoisted to the surface. The slope is 290 feet long and descends at a pitch of 32 degrees.
. ST
.51
N CH
VIEW TRAIL
AD STE ME HO 1.21
D OL
700
3 GREATHOUSE VISITOR CENTER: This portal was the original opening into the sand mine.
Hiker, Horse, Bike Trail Hiker Only Trail Mt. Diablo-to Black Diamond Regional Trail (Hiker, Horse, Bike) American Discovery Trail/ Mokelumne Coast to Crest Trail Paved Trail 0 Mileage Between Points 60 Paved Road Creek, Canal Parking Visitor Center North Equestrian Parking Phone, 9-1-1 Only Restroom Drinking Water Horse Water Information Picnic Tables Group/Backpack Camping 600 Coulter Pines Pond or Reservoir Locked Gate
P LOO
.16
IN ORDER TO REDUCE OR PREVENT THE RISK OF SERIOUS HEAD INJURY OR DEATH, STATE LAW REQUIRES THAT ALL BICYCLISTS UNDER AGE 18 WEAR AN APPROVED HELMET WHILE RIDING ON TRAILS AND ROADWAYS. THE DISTRICT ALSO STRONGLY RECOMMENDS THAT ALL EQUESTRIANS AND BICYCLISTS WEAR HELMETS AT ALL TIMES.
