| List Rank | NY Rank | Name | Elevation | Saddle | Prominence | Line Parent | Isolation | Proximate Parent | County | Quadrangle |
| Sullivan County HP | 3,118' | 3,010' | 108' | Mongaup Mountain | 0.90 | Mongaup Mountain | Sullivan | Willowemoc - Map | ||
| 1 | 202 | Denman Mountain | 3,053' | 2,290' | 763' | Van Wyck Mountain | 6.35 | Van Wyck Mountain | Sullivan | Claryville - Map |
| "Hodge Pond Peak" | 2,985' | 2,710' | 275' | Mongaup Mountain | 1.85 | Mongaup Mountain | Sullivan | Willowemoc - Map | ||
| 2 | 352 | 2754 | 2,754' | 1,990' | 764' | Beaver Kill Range (HP) | 3.70 | Denman Mountain | Sullivan | Claryville - Map |
| Blue Hill | 2,748' | 2,550' | 198' | 2754 | 1.41 | 2754 | Sullivan | Claryville - Map | ||
| Rattle Hill | 2,586' | 2,410' | 176' | Mongaup Mountain | 3.66 | 2850 | Sullivan | Livingston Manor - Map | ||
| Slawson Mountain | 2,494' | 2,230' | 264' | 2754 | 3.02 | 2754 | Sullivan | Willowemoc - Map | ||
| 3 | 638 | 2410 | 2,410' | 1,770' | 640' | 2754 | 6.51 | Rodgers Hill | Sullivan | Roscoe - Map |
| 4 | 787 | Burnt Hill | 2,310' | 1,890' | 420' | Mongaup Mountain | 3.81 | 2672 | Sullivan | Livingston Manor - Map |
| Bald Mountain | 2,310' | 2,150' | 160' | 2754 | 6.40 | Mongaup Mountain | Sullivan | Willowemoc - Map | ||
| 5 | 848 | 2270 | 2,270' | 1,950' | 320' | 2410 | 3.08 | 2410 | Sullivan | Roscoe - Map |
| 6 | 866 | Thunder Hill | 2,250' | 1,370' | 880' | Denman Mountain | 5.07 | Denman Mountain | Sullivan | Grahamsville - Map |
| 7 | 906 | 2215 | 2,215' | 1,810' | 405' | 2754 | 3.98 | 2410 | Sullivan | Roscoe - Map |
| 8 | 946 | 2190 | 2,190' | 1,830' | 360' | Burnt Hill | 2.73 | Burnt Hill | Sullivan | Roscoe - Map |
| Sugarloaf Mountain | 2,170' | 2,070' | 100' | Red Hill | 2.39 | Denman Mountain | Sullivan | Peekamoose Mountain - Map | ||
| Gray Hill | 2,170' | 2,130' | 40' | Mongaup Mountain | 3.86 | Burnt Hill | Sullivan | Livingston Manor - Map | ||
| 9 | 989 | Walnut Mountain | 2,157' | 1,770' | 387' | 2215 | 9.43 | 2215 | Sullivan | Liberty West - Map |
| Revonah Hill | 2,150' | 2,050' | 100' | 2215 | 2.17 | Walnut Mountain | Sullivan | Liberty West - Map | ||
| Grants Hill | 2,109' | 2,030' | 79' | 2215 | 4.72 | 2215 | Sullivan | Liberty West - Map | ||
| 10 | 1110 | 2070 | 2,070' | 1,730' | 340' | Denman Mountain | 3.45 | Thunder Hill | Sullivan | Grahamsville - Map |
| Chuck Hill | 2,030' | 1,950' | 80' | 2215 | 0.66 | Walnut Mountain | Sullivan | Liberty West - Map | ||
| 11 | 1233 | South Hill | 1,970' | 1,130' | 840' | Thunder Hill | 3.25 | Thunder Hill | Sullivan | Grahamsville - Map |
| Hust Hill | 1,930' | 1,650' | 280' | 2215 | 5.14 | 2410 | Sullivan | Jeffersonville - Map | ||
| Hill 16 | 1,930' | 1,770' | 160' | 2215 | 4.89 | 2410 | Sullivan | Jeffersonville - Map | ||
| Mandrake Hill | 1,923' | 1,810' | 113' | 2410 | 3.87 | 2410 | Sullivan | Jeffersonville - Map | ||
| 12 | 1316 | Long Ridge | 1,915' | 1,610' | 305' | 2410 | 6.09 | 2410 | Sullivan | Callicoon - Map |
| 13 | 1415 | 1850 | 1,850' | 1,550' | 300' | 2410 | 3.57 | Long Ridge | Sullivan | Callicoon - Map |
| Round Top | 1,830' | 1,710' | 120' | 2754 | 3.27 | 2215 | Sullivan | Livingston Manor - Map | ||
| Sam Miller Hill | 1,830' | 1,710' | 120' | 2321 | 1.86 | 1850 | Sullivan | Callicoon - Map | ||
| 14 | 1451 | Knack Benchmark | 1,810' | 1,410' | 400' | 2215 | 3.32 | Long Ridge | Sullivan | Jeffersonville - Map |
| Hawks Nest | 1,810' | 1,750' | 60' | 2321 | 1.27 | 1850 | Sullivan | Callicoon - Map | ||
| 15 | 1491 | 1770 | 1,770' | 1,390' | 380' | 2215 | 4.66 | Walnut Mountain | Sullivan | Liberty West - Map |
| East Hill | 1,770' | 1,590' | 180' | 2190 | 5.26 | Knack Benchmark | Sullivan | Jeffersonville - Map | ||
| 16 | 1517 | 1750 | 1,750' | 1,390' | 360' | 2470 | 2.02 | 2470 | Sullivan | Rondout Reservoir - Map |
| 17 | 1572 | 1690 | 1,690' | 1,350' | 340' | 2754 | 9.39 | Walnut Mountain | Sullivan | Monticello - Map |
| 18 | 1592 | Wolf Benchmark | 1,670' | 1,170' | 500' | Thunder Hill | 7.18 | 1690 | Sullivan | Yankee Lake - Map |
| Columbia Hill | 1,670' | 1,430' | 240' | 1690 | 4.07 | 1690 | Sullivan | Monticello - Map | ||
| 19 | 1645 | 1615 | 1,615' | 1,310' | 305' | 1690 | 7.25 | Wolf Benchmark | Sullivan | Hartwood - Map |
| 20 | 1677 | 1590 | 1,590' | 1,290' | 300' | Thunder Hill | 3.29 | Thunder Hill | Sullivan | Grahamsville - Map |
| 21 | 1705 | 1530 | 1,530' | 1,190' | 340' | Thunder Hill | 3.14 | 1590 | Sullivan | Woodridge - Map |
| Baldy | 1,530' | 1,490' | 40' | 2215 | 2.13 | Knack Benchmark | Sullivan | Jeffersonville - Map | ||
| S | 1524 | 1,524' | 1,230' | 294' | 1770 | 5.58 | 1615 | Sullivan | Pond Eddy - Map | |
| Smith Hill | 1,495' | 1,370' | 125' | 1690 | 4.00 | 1530 | Sullivan | Monticello - Map | ||
| Chestnut Ridge | 1,470' | 1,330' | 140' | 1770 | 8.94 | 1770 | Sullivan | Lake Huntington - Map | ||
| Swiss Hill | 1,450' | 1,210' | 240' | 1770 | 2.98 | Knack Benchmark | Sullivan | Jeffersonville - Map | ||
| 22 | 1749 | 1449 | 1,449' | 1,010' | 439' | 1791 | 6.86 | Wolf Benchmark | Sullivan | Yankee Lake - Map |
| Greens Hill | 1,430' | 1,250' | 180' | 1770 | 6.97 | 1690 | Sullivan | White Lake - Map | ||
| Chapin Hill | 1,430' | 1,310' | 120' | 1770 | 9.85 | 1615 | Sullivan | Highland Lake - Map | ||
| Tink Hill | 1,404' | 1,250' | 154' | 1770 | 6.73 | 1615 | Sullivan | Pond Eddy - Map | ||
| 23 | 1777 | 1403 | 1,403' | 1,070' | 333' | 1770 | 4.02 | Knack Benchmark | Sullivan | Callicoon - Map |
| Birch Ridge | 1,390' | 1,330' | 60' | 1770 | 5.06 | 1770 | Sullivan | Lake Huntington - Map | ||
| Round Top | 1,350' | 1,210' | 140' | 1770 | 5.58 | 1690 | Sullivan | White Lake - Map | ||
| Fulton Hill | 1,290' | 1,150' | 140' | 1770 | 3.67 | 1403 | Sullivan | Lake Huntington - Map | ||
| Deep Hollow Hill | 1,250' | 1,170' | 80' | 1770 | 10.15 | 1403 | Sullivan | Narrowsburg - Map |