From the north loop at the trailhead, the trail passes through oak and juniper, and one of the best Ponderosa pine stands in the Forest, with fir along the upper reaches.  It climbs 1,200 feet over 3 miles through the upper Wolf Creek drainage to the top of Spruce Mountain and the Lookout Tower, where there is a picnic table.  Hikers may visit the Lookout when manned.  The Tower offers panoramic views of Prescott and Granite Mountain to the west, and Mingus Mountain and the San Francisco Peaks to the northeast.  The trail turns southwest and follows the South Spruce Ridge for about 1.6 miles to the junction with TR 377 (Isabella Trail), which connects to Walker Road.  

TR 307 then begins a long, twisting descent down the mountain.  The final portion bears northwest, crossing several old mining roads on the way to completing the loop back to the Groom Creek trailhead.
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From downtown Prescott travel east on Gurley Street 0.3 miles to Mt.  Vernon Avenue.  Turn south on Mt.  Vernon for 6.4 miles as it becomes the Senator Highway.  The trailhead parking lot is on the east side.  The Groom Creek Horse Camp is on the west side.
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Trail Reviews

- Nov 27, 2009 - An excellent trail! Much of the lower trail has been newly constructed and carefully routed through the forest. Don't miss the boulder field near the bottom.  -   [bonJovi]

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Nearby Trails

• Isabella Trail

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