List of highest mountain peaks in Washington Highest major summits The 100 highest summits of Washington with at least 500 meters of topographic prominence

| Rank_ | Mountain_Peak | Mountain_Range | Elevation | Prominence | Isolation_ |
|---|---|---|---|---|---|
| 1 | Mount Rainier | Cascade Range | 4393.293 = 14,411feet 4392m | 4027.439 = 13,211feet 4027m | 01175.46 = 730.4miles 1175.5km |
| 2 | Mount Adams | Cascade Range | 3742.988 = 12,277feet 3743m | 2474.390 = 8,116feet 2474m | 00075.14 = 46.7miles 75.1km |
| 3 | Mount Baker | Cascade Range | 3285.976 = 10,778feet 3286m | 2706.707 = 8,878feet 2706m | 00213.71 = 132.8miles 213.7km |
| 4 | Glacier Peak | Cascade Range | 3213.720 = 10,541feet 3286m | 2292.378 = 7,519feet 2292m | 00090.18 = 56.0miles 90.2km |
| 5 | Bonanza Peak | Cascade Range | 2899.695 = 9,511feet 2899m | 1131.402 = 3,711feet 1,131m | 00023.04 = 14.4miles 23.2km |