Vibrational excitation spectra of N2HF associated with the HF stretch of upsilon(1) = 3 are reported. Using the technique of intracavity laser-induced fluorescence, both the Sigma <-- Sigma second overtone band of pure HF stretch, (3000(0)0(0)) <-- (0000(0)0(0)), and the II <-- II hot band of N-2 bend, (3000(0)1(1)) <-- (0000(0)1(1)), have been recorded. We determine a vibrational band origin of nu(0) = 1 1 220.250 23(64) cm(-1) for the Sigma <-- Sigma band and a rotational constant of B = 0.109 209(13) cm(-1) for the state (upsilon(1) upsilon(2) upsilon(3) upsilon(4)(l) upsilon(5)(l)) = (3000(0)0(0)). For the combination state of the HF stretch with the N-2 II bend (3000(0)1(1)), the band origin relative to that of the state (0000(0)1(1)) is nu(0) = 11229.489 cm(-1) with B = 0.109 917(12) cm(-1) and 0.110 300(14) cm(-1) for the IIe and IIf components, respectively. Both the band origins and the rotational constants indicate that the N-2-HF hydrogen bond is strengthened upon vibrational excitation of the HF stretch. We have also observed a line width broadening of 240(40) MHz due to vibrational predissociation at this second overtone state. The predissociation lifetime is 30-fold and 3-fold shorter than those at upsilon(1) = 1 and 2, respectively.