Jewel Lake
Part of Tilden Nature Area external link external link In Tilden Park external link
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Parking
(1 of 41) (2498 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:27:54 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#102754_4693BCX


A long winding road up from Berkeley led to this Nature Area. Because the Nature Area was difficult to get to without a car, sufficient parking was provided. But note that you can get there by the AC Transit #67 bus, but the bus only runs once per hour.


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School Outings
(2 of 41) (1789 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:28:16 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#102816_4694BCX


Picnic tables on wide grassy areas were provided. On this day, two bus loads of children were brought in to enjoy the area and its educational features.


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A Sign
(3 of 41) (1923 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:29:08 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#102908_4696BCX


A sign marked the entry to the park. It read:

Tilden Nature Area
Environmental Education Center
Story Of The Wildcat Creek Watershed external link
Little Farm
Jewel Lake


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Maps And More
(4 of 41) (1763 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:30:20 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#103020_4698BCX


Also near the entry was a display of information, hours and maps. Brochures in a weatherproof box were free and could be used for self-guided tours.


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Education Center and Little Farm
(5 of 41) (1727 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:31:08 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#103108_4699BCX


Just a short way inside on the way to Jewel Lake was a side path that led up to the Environmental Education Center and Little Farm.


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Wilson's Warbler
(6 of 41) (1808 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:34:20 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#103420_8241TNT


A Wilson's Warbler was alongside the trail. The park was filled with many birds and was a great place for birding.


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Wildcat Creek Trail
(7 of 41) (1769 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:36:12 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#103612_4705BCX


Wildcat Creek Trail was wide enough for maintenance vehicles. It was a level smooth walk suitable for all ages and physical conditions.


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Walkway Was Closed
(8 of 41) (1748 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:38:40 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#103840_4707BCX


An elevated walkway lead through the nature area to Jewel Lake's northern shore. That walkway was closed that day for repairs following a heavy rainy season.


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A California Towhee
(9 of 41) (1743 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:42:58 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#104258_8253TNT


California Towhees would land on the path and look for food ahead of those walking on the path. As the walkers approached the California Towhee would run ahead or fly into the surrounding brush.


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Moss Covered Trees
(10 of 41) (1746 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:44:20 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#104420_4710BCX


As the path neared the lake, much moss was found in the trees lining the trail.


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Drinking Fountain
(11 of 41) (1773 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:44:46 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#104446_4711BCX


A drinking fountain was found alongside the trail. In the dry season this could also be used as a bench.


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One Of Many Side Trails
(12 of 41) (1740 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:50:14 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#105014_4716BCX


Many side trails branched off of Wildcat Creek Trail. Some were flat and smooth like this one, but many more ran steeply up and into the surrounding hills.


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Wetlands
(13 of 41) (1760 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:50:48 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#105048_4717BCX


Part of the area around Jewel Lake was occupied by wetlands. Here, for example, tall grasses and cattails grew from a shallow wet area.


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New Growth
(14 of 41) (1740 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:51:10 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#105110_8257TNT


Here was a plant just starting to bloom as the summer approached.


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Kids Returned
(15 of 41) (1759 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:55:50 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#105550_4719BCX


School children returned from their trip to Jewel Lake. It was a good day to get out and learn in nature. Overcast but not raining and not cold.


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Maintenance
(16 of 41) (1768 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:56:54 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#105654_4721BCX


A worker was maintaining the park. Here he used a hose to clean recently emptied trash cans.


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Western Pond Turtle
(17 of 41) (1732 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:58:08 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#105808_8259TNT


One of many Western Pond Turtles that inhabited Jewel Lake.


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Jewel Lake
(18 of 41) (1841 views)

Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 10:58:28 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#105828_4722BCX


Jewel Lake turned out to be a modestly small lake but it was nonetheless a stunningly beautiful little lake.


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Bench
(19 of 41) (1712 views)

Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:00:20 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110020_4725BCX


Alongside Wildcat Creek Trail was a bench made from a split log.


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Sign
(20 of 41) (1797 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:00:48 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110048_4726BCX


A sign alongside the trail and just across from the lake read:

Please Don't Feed the Water fowl

The Park District is dedicated to protecting native wild animals. We Need Your Help. Unfortunately parks have become a favorite place to release ducks. Domestic ducks can carry diseases easily transmitted to wild ducks.

When fed regularly, the ducks quickly multiply and over populate the area. The over abundance of water fowl causes high bacterial counts that may exceed public health standards and can lead to soiled lawns and walkways.

To help us protect people and wildlife. Please Don't Feed the Waterfowl.

EAST BAY REGIONAL PARK DISTRICT


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Wildcat Creek
(21 of 41) (1735 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:03:52 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110352_4729BCX


Wildcat Creek is formed by the drainage and overflow of Jewel Lake. At one time a canal was proposed to take water from this watershed and connect it to the East Bay water supply. The canal was never completed, and Wildcat Creek is now being gradually restored to its former natural state.


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Direction Indicators
(22 of 41) (1756 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:04:42 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110442_4731BCX


A bridge over Wildcat Creek led to another trail. Jewel Lake could be viewed from this bridge.


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Jewel Lake and its Spillway
(23 of 41) (1783 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:07:58 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110758_4732BCX


The view from the bridge with Wildcat Creek Trail to the left, Jewel Lake ahead, and its spillway below.


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The Creek As A Canal
(24 of 41) (1768 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:08:22 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110822_4733BCX


The start of Wildcat Creek was still in the form of a canal. One of the rangers said that both these culverts were filled to almost overflowing during the last severe rain storm.


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The Side Trail
(25 of 41) (1757 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:09:58 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#110958_4735BCX


This is a fish-eye view of the side trail just past the bridge over Wildcat Creek. Jewel Lake is to the right.


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Moss Covered Tree
(26 of 41) (1779 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:13:46 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#111346_4738BCX


Alongside the side trail were moss covered trees.


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Black Mud
(27 of 41) (1760 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:18:06 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#111806_4740BCX


Near Jewel Lake was a patch of muddy water that reflected the sky and trees. The deep black of the mud appeared to swallow the forest.


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A Black Phoebe
(28 of 41) (1722 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:20:22 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#112104_8276TNT


A Black Phoebe was gathering food by the lake's shore.


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The Old Canal
(29 of 41) (1772 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:23:06 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#112306_4743BCX


The upper part of Wildcat Creek that was still the old canal. Wildcat Creek runs for miles further so it is possible to visit the restored portions of the creek.


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Things For Hardware Lovers
(30 of 41) (1803 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:23:50 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#112350_4746BCX


Here was the valve used to open and close the gate to the canal. It is still used for flood control.


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USGS Datum 509.7
(31 of 41) (1711 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:25:32 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#112532_4748BCX


A survey marker was embedded into the concrete of the valve platform. The marker bore the inscription:

EAST BAY WATER COMPANY
USGS DATUM 509.7


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A Debris Gate
(32 of 41) (1770 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:27:48 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#112748_4750BCX


A debris gate was chained up and ready to be lowered as needed.


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Beyond The Lake
(33 of 41) (1757 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:31:16 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#113116_4753BCX


Beyond Jewel Lake, Wildcat Creek Trail continued for miles.


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Eucalyptus Grew There
(34 of 41) (1735 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:34:00 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#113400_4755BCX


Alongside Wildcat Creek Trail beyond Jewel Lake, some eucalyptus trees grew among pine trees. The bark of the eucalyptus would fall and land on a tangle of branches.


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A Female Oregon Junco
(35 of 41) (1727 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:46:20 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#114620_8287TNT


A Female Oregon Junco seen on the Wildcat Creek Trail beyond the Jewel Lake.


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Turtles And Ducks
(36 of 41) (1750 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:46:20 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#114858_8299TNT


A half dozen Western Pond Turtles and a male and female Mallard duck pair were seen resting on a log in Jewel Lake.


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The Bridge And Lake
(37 of 41) (1743 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:50:52 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#115052_4764BCX


Jewel Lake and the bridge over its spillway as seen from a side trail a little uphill.


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Squirrel
(38 of 41) (1741 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:56:22 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#115622_8304TNT


A foraging squirrel paused when a camera was pointed at it.


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Restrooms
(39 of 41) (1755 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:56:24 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#115624_4767BCX


On the way back to the parking lot was a modest restroom. It included running water and flushing toilets and was moderately clean and not at all offensive. A drinking fountain was out front.


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Feral Cat
(40 of 41) (1764 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 11:59:22 Tuesday 18 May 2010)
© 2010 Terry Costales
Creative Commons Attribution-NonCommercial License
#115922_8307TNT


A wild domestic cat ran away back toward the parking lot.


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A Single Bloom
(41 of 41) (1791 views)

Jewel Lake
Part of Tilden Nature Area
Tilden Park above Berkeley, California
(Photo posted Wednesday 7 July 2010)
(Photo taken 12:10:28 Tuesday 18 May 2010)
© 2010 Bryan Costales
Creative Commons Attribution-NonCommercial License
#121028_4790BCX


We visited in late spring so there were fewer blooming flowers than one would find in early spring. Here was one wild flower.


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