Twentyninth Pond is a beautiful spot that's very close to the road.
Take Exit 29 off of Interstate 87 and follow Boreas Road west toward Newcomb. Continue to Route 28N, take a left and head toward Minerva. Continue for just under 10.5 miles to the Stony Pond trailhead on the left.
By the numbers
Elevation gain: minimal
Distance: 0.6 miles round trip
The trail climbs slightly from the trailhead to a high point and soon comes to an unmarked path on the right. This is the short trail down to the pond, which you can see from the main trail.
Twentyninth Pond contains brook trout and there are faint fisherman paths along the shore to explore. Use or possession of baitfish is prohibited.